Home / 1,026,220.59-1,539,330.75-316,248.57

Finding the Fourth Proportional to 1,026,220.59, 1,539,330.75 and 316,248.57

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Solution

The fourth proportional to 1,026,220.59, 1,539,330.75 and 316,248.57 is: 474,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,220.59 : 1,539,330.75 = 316,248.57 : x
  2. Step 2: Convert to fraction form
    1,026,220.59/1,539,330.75 = 316,248.57/x
  3. Step 3: Cross multiply
    1,026,220.59x = 1,539,330.75 × 316,248.57
  4. Step 4: Simplify right side
    1,026,220.59x = 486,811,148,444.53
  5. Step 5: Solve for x
    x = 486,811,148,444.53/1,026,220.59
  6. Step 6: Final answer
    x = 474,372.81

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.