Home / 1,625,557.31-2,242,418.58-1,005,164.13

Finding the Fourth Proportional to 1,625,557.31, 2,242,418.58 and 1,005,164.13

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Solution

The fourth proportional to 1,625,557.31, 2,242,418.58 and 1,005,164.13 is: 1,386,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,557.31 : 2,242,418.58 = 1,005,164.13 : x
  2. Step 2: Convert to fraction form
    1,625,557.31/2,242,418.58 = 1,005,164.13/x
  3. Step 3: Cross multiply
    1,625,557.31x = 2,242,418.58 × 1,005,164.13
  4. Step 4: Simplify right side
    1,625,557.31x = 2,253,998,721,061.54
  5. Step 5: Solve for x
    x = 2,253,998,721,061.54/1,625,557.31
  6. Step 6: Final answer
    x = 1,386,600.59

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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.