Home / 1,129,985.43-1,694,978.15-498,773.49

Finding the Fourth Proportional to 1,129,985.43, 1,694,978.15 and 498,773.49

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Solution

The fourth proportional to 1,129,985.43, 1,694,978.15 and 498,773.49 is: 748,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,985.43 : 1,694,978.15 = 498,773.49 : x
  2. Step 2: Convert to fraction form
    1,129,985.43/1,694,978.15 = 498,773.49/x
  3. Step 3: Cross multiply
    1,129,985.43x = 1,694,978.15 × 498,773.49
  4. Step 4: Simplify right side
    1,129,985.43x = 845,410,164,855.38
  5. Step 5: Solve for x
    x = 845,410,164,855.38/1,129,985.43
  6. Step 6: Final answer
    x = 748,160.24

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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.