Home / 1,026,473.40-1,539,611.14-316,310.76

Finding the Fourth Proportional to 1,026,473.40, 1,539,611.14 and 316,310.76

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Solution

The fourth proportional to 1,026,473.40, 1,539,611.14 and 316,310.76 is: 474,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,473.40 : 1,539,611.14 = 316,310.76 : x
  2. Step 2: Convert to fraction form
    1,026,473.40/1,539,611.14 = 316,310.76/x
  3. Step 3: Cross multiply
    1,026,473.40x = 1,539,611.14 × 316,310.76
  4. Step 4: Simplify right side
    1,026,473.40x = 486,995,569,797.87
  5. Step 5: Solve for x
    x = 486,995,569,797.87/1,026,473.40
  6. Step 6: Final answer
    x = 474,435.65

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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.