Home / 1,244,342.40-1,865,131.20-534,249.60

Finding the Fourth Proportional to 1,244,342.40, 1,865,131.20 and 534,249.60

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Solution

The fourth proportional to 1,244,342.40, 1,865,131.20 and 534,249.60 is: 800,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,342.40 : 1,865,131.20 = 534,249.60 : x
  2. Step 2: Convert to fraction form
    1,244,342.40/1,865,131.20 = 534,249.60/x
  3. Step 3: Cross multiply
    1,244,342.40x = 1,865,131.20 × 534,249.60
  4. Step 4: Simplify right side
    1,244,342.40x = 996,445,597,547.52
  5. Step 5: Solve for x
    x = 996,445,597,547.52/1,244,342.40
  6. Step 6: Final answer
    x = 800,780.88

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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.