Home / 1,942,718.70-2,912,695.65-744,177.90

Finding the Fourth Proportional to 1,942,718.70, 2,912,695.65 and 744,177.90

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Solution

The fourth proportional to 1,942,718.70, 2,912,695.65 and 744,177.90 is: 1,115,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,718.70 : 2,912,695.65 = 744,177.90 : x
  2. Step 2: Convert to fraction form
    1,942,718.70/2,912,695.65 = 744,177.90/x
  3. Step 3: Cross multiply
    1,942,718.70x = 2,912,695.65 × 744,177.90
  4. Step 4: Simplify right side
    1,942,718.70x = 2,167,563,732,156.14
  5. Step 5: Solve for x
    x = 2,167,563,732,156.14/1,942,718.70
  6. Step 6: Final answer
    x = 1,115,737.31

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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.