Home / 1,008,497.20-1,391,726.14-555,788.20

Finding the Fourth Proportional to 1,008,497.20, 1,391,726.14 and 555,788.20

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Solution

The fourth proportional to 1,008,497.20, 1,391,726.14 and 555,788.20 is: 766,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,497.20 : 1,391,726.14 = 555,788.20 : x
  2. Step 2: Convert to fraction form
    1,008,497.20/1,391,726.14 = 555,788.20/x
  3. Step 3: Cross multiply
    1,008,497.20x = 1,391,726.14 × 555,788.20
  4. Step 4: Simplify right side
    1,008,497.20x = 773,504,966,243.55
  5. Step 5: Solve for x
    x = 773,504,966,243.55/1,008,497.20
  6. Step 6: Final answer
    x = 766,987.72

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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.