Home / 1,291,597.92-1,937,552.40-427,062.24

Finding the Fourth Proportional to 1,291,597.92, 1,937,552.40 and 427,062.24

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Solution

The fourth proportional to 1,291,597.92, 1,937,552.40 and 427,062.24 is: 640,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,597.92 : 1,937,552.40 = 427,062.24 : x
  2. Step 2: Convert to fraction form
    1,291,597.92/1,937,552.40 = 427,062.24/x
  3. Step 3: Cross multiply
    1,291,597.92x = 1,937,552.40 × 427,062.24
  4. Step 4: Simplify right side
    1,291,597.92x = 827,455,468,061.38
  5. Step 5: Solve for x
    x = 827,455,468,061.38/1,291,597.92
  6. Step 6: Final answer
    x = 640,644.78

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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.