Home / 1,557,732.66-2,149,487.19-904,207.38

Finding the Fourth Proportional to 1,557,732.66, 2,149,487.19 and 904,207.38

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Solution

The fourth proportional to 1,557,732.66, 2,149,487.19 and 904,207.38 is: 1,247,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,732.66 : 2,149,487.19 = 904,207.38 : x
  2. Step 2: Convert to fraction form
    1,557,732.66/2,149,487.19 = 904,207.38/x
  3. Step 3: Cross multiply
    1,557,732.66x = 2,149,487.19 × 904,207.38
  4. Step 4: Simplify right side
    1,557,732.66x = 1,943,582,180,413.46
  5. Step 5: Solve for x
    x = 1,943,582,180,413.46/1,557,732.66
  6. Step 6: Final answer
    x = 1,247,699.45

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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.