Home / 1,240,463.60-1,859,514.24-398,424.92

Finding the Fourth Proportional to 1,240,463.60, 1,859,514.24 and 398,424.92

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Solution

The fourth proportional to 1,240,463.60, 1,859,514.24 and 398,424.92 is: 597,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,463.60 : 1,859,514.24 = 398,424.92 : x
  2. Step 2: Convert to fraction form
    1,240,463.60/1,859,514.24 = 398,424.92/x
  3. Step 3: Cross multiply
    1,240,463.60x = 1,859,514.24 × 398,424.92
  4. Step 4: Simplify right side
    1,240,463.60x = 740,876,812,310.86
  5. Step 5: Solve for x
    x = 740,876,812,310.86/1,240,463.60
  6. Step 6: Final answer
    x = 597,258.00

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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.