Home / 1,028,102.40-1,418,781.12-575,393.40

Finding the Fourth Proportional to 1,028,102.40, 1,418,781.12 and 575,393.40

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Solution

The fourth proportional to 1,028,102.40, 1,418,781.12 and 575,393.40 is: 794,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,102.40 : 1,418,781.12 = 575,393.40 : x
  2. Step 2: Convert to fraction form
    1,028,102.40/1,418,781.12 = 575,393.40/x
  3. Step 3: Cross multiply
    1,028,102.40x = 1,418,781.12 × 575,393.40
  4. Step 4: Simplify right side
    1,028,102.40x = 816,357,292,492.61
  5. Step 5: Solve for x
    x = 816,357,292,492.61/1,028,102.40
  6. Step 6: Final answer
    x = 794,042.78

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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.