Home / 1,078,663.20-1,488,851.28-626,100

Finding the Fourth Proportional to 1,078,663.20, 1,488,851.28 and 626,100

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Solution

The fourth proportional to 1,078,663.20, 1,488,851.28 and 626,100 is: 864,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,663.20 : 1,488,851.28 = 626,100 : x
  2. Step 2: Convert to fraction form
    1,078,663.20/1,488,851.28 = 626,100/x
  3. Step 3: Cross multiply
    1,078,663.20x = 1,488,851.28 × 626,100
  4. Step 4: Simplify right side
    1,078,663.20x = 932,169,786,408
  5. Step 5: Solve for x
    x = 932,169,786,408/1,078,663.20
  6. Step 6: Final answer
    x = 864,189.85

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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.