Home / 1,942,557.60-2,912,174.96-745,339.13

Finding the Fourth Proportional to 1,942,557.60, 2,912,174.96 and 745,339.13

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Solution

The fourth proportional to 1,942,557.60, 2,912,174.96 and 745,339.13 is: 1,117,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,557.60 : 2,912,174.96 = 745,339.13 : x
  2. Step 2: Convert to fraction form
    1,942,557.60/2,912,174.96 = 745,339.13/x
  3. Step 3: Cross multiply
    1,942,557.60x = 2,912,174.96 × 745,339.13
  4. Step 4: Simplify right side
    1,942,557.60x = 2,170,557,932,806.61
  5. Step 5: Solve for x
    x = 2,170,557,932,806.61/1,942,557.60
  6. Step 6: Final answer
    x = 1,117,371.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.