Home / 1,126,086.52-1,554,024.66-642,642.04

Finding the Fourth Proportional to 1,126,086.52, 1,554,024.66 and 642,642.04

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Solution

The fourth proportional to 1,126,086.52, 1,554,024.66 and 642,642.04 is: 886,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,086.52 : 1,554,024.66 = 642,642.04 : x
  2. Step 2: Convert to fraction form
    1,126,086.52/1,554,024.66 = 642,642.04/x
  3. Step 3: Cross multiply
    1,126,086.52x = 1,554,024.66 × 642,642.04
  4. Step 4: Simplify right side
    1,126,086.52x = 998,681,577,712.71
  5. Step 5: Solve for x
    x = 998,681,577,712.71/1,126,086.52
  6. Step 6: Final answer
    x = 886,860.43

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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.