Home / 1,138,327.20-1,570,892.13-629,029.59

Finding the Fourth Proportional to 1,138,327.20, 1,570,892.13 and 629,029.59

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Solution

The fourth proportional to 1,138,327.20, 1,570,892.13 and 629,029.59 is: 868,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,327.20 : 1,570,892.13 = 629,029.59 : x
  2. Step 2: Convert to fraction form
    1,138,327.20/1,570,892.13 = 629,029.59/x
  3. Step 3: Cross multiply
    1,138,327.20x = 1,570,892.13 × 629,029.59
  4. Step 4: Simplify right side
    1,138,327.20x = 988,137,632,468.13
  5. Step 5: Solve for x
    x = 988,137,632,468.13/1,138,327.20
  6. Step 6: Final answer
    x = 868,061.16

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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.