Home / 1,126,287.19-1,554,387.80-642,925.02

Finding the Fourth Proportional to 1,126,287.19, 1,554,387.80 and 642,925.02

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Solution

The fourth proportional to 1,126,287.19, 1,554,387.80 and 642,925.02 is: 887,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,287.19 : 1,554,387.80 = 642,925.02 : x
  2. Step 2: Convert to fraction form
    1,126,287.19/1,554,387.80 = 642,925.02/x
  3. Step 3: Cross multiply
    1,126,287.19x = 1,554,387.80 × 642,925.02
  4. Step 4: Simplify right side
    1,126,287.19x = 999,354,807,402.76
  5. Step 5: Solve for x
    x = 999,354,807,402.76/1,126,287.19
  6. Step 6: Final answer
    x = 887,300.16

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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.