Home / 1,124,423.97-1,686,635.88-325,705.78

Finding the Fourth Proportional to 1,124,423.97, 1,686,635.88 and 325,705.78

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Solution

The fourth proportional to 1,124,423.97, 1,686,635.88 and 325,705.78 is: 488,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,423.97 : 1,686,635.88 = 325,705.78 : x
  2. Step 2: Convert to fraction form
    1,124,423.97/1,686,635.88 = 325,705.78/x
  3. Step 3: Cross multiply
    1,124,423.97x = 1,686,635.88 × 325,705.78
  4. Step 4: Simplify right side
    1,124,423.97x = 549,347,054,871.39
  5. Step 5: Solve for x
    x = 549,347,054,871.39/1,124,423.97
  6. Step 6: Final answer
    x = 488,558.65

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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.