Home / 1,020,691.31-1,408,542.91-561,796.06

Finding the Fourth Proportional to 1,020,691.31, 1,408,542.91 and 561,796.06

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Solution

The fourth proportional to 1,020,691.31, 1,408,542.91 and 561,796.06 is: 775,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,691.31 : 1,408,542.91 = 561,796.06 : x
  2. Step 2: Convert to fraction form
    1,020,691.31/1,408,542.91 = 561,796.06/x
  3. Step 3: Cross multiply
    1,020,691.31x = 1,408,542.91 × 561,796.06
  4. Step 4: Simplify right side
    1,020,691.31x = 791,313,854,894.11
  5. Step 5: Solve for x
    x = 791,313,854,894.11/1,020,691.31
  6. Step 6: Final answer
    x = 775,272.45

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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.