Home / 1,115,787.20-1,539,797.28-606,489.26

Finding the Fourth Proportional to 1,115,787.20, 1,539,797.28 and 606,489.26

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Solution

The fourth proportional to 1,115,787.20, 1,539,797.28 and 606,489.26 is: 836,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,787.20 : 1,539,797.28 = 606,489.26 : x
  2. Step 2: Convert to fraction form
    1,115,787.20/1,539,797.28 = 606,489.26/x
  3. Step 3: Cross multiply
    1,115,787.20x = 1,539,797.28 × 606,489.26
  4. Step 4: Simplify right side
    1,115,787.20x = 933,870,512,897.21
  5. Step 5: Solve for x
    x = 933,870,512,897.21/1,115,787.20
  6. Step 6: Final answer
    x = 836,961.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.