Home / 1,334,141.47-1,841,115.79-722,294.20

Finding the Fourth Proportional to 1,334,141.47, 1,841,115.79 and 722,294.20

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Solution

The fourth proportional to 1,334,141.47, 1,841,115.79 and 722,294.20 is: 996,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,141.47 : 1,841,115.79 = 722,294.20 : x
  2. Step 2: Convert to fraction form
    1,334,141.47/1,841,115.79 = 722,294.20/x
  3. Step 3: Cross multiply
    1,334,141.47x = 1,841,115.79 × 722,294.20
  4. Step 4: Simplify right side
    1,334,141.47x = 1,329,827,256,645.42
  5. Step 5: Solve for x
    x = 1,329,827,256,645.42/1,334,141.47
  6. Step 6: Final answer
    x = 996,766.30

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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.