Home / 1,292,438-1,937,759.24-572,387.34

Finding the Fourth Proportional to 1,292,438, 1,937,759.24 and 572,387.34

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Solution

The fourth proportional to 1,292,438, 1,937,759.24 and 572,387.34 is: 858,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,438 : 1,937,759.24 = 572,387.34 : x
  2. Step 2: Convert to fraction form
    1,292,438/1,937,759.24 = 572,387.34/x
  3. Step 3: Cross multiply
    1,292,438x = 1,937,759.24 × 572,387.34
  4. Step 4: Simplify right side
    1,292,438x = 1,109,148,856,944.02
  5. Step 5: Solve for x
    x = 1,109,148,856,944.02/1,292,438
  6. Step 6: Final answer
    x = 858,183.42

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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.