Home / 1,251,555.55-1,876,711.64-398,515.84

Finding the Fourth Proportional to 1,251,555.55, 1,876,711.64 and 398,515.84

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Solution

The fourth proportional to 1,251,555.55, 1,876,711.64 and 398,515.84 is: 597,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,555.55 : 1,876,711.64 = 398,515.84 : x
  2. Step 2: Convert to fraction form
    1,251,555.55/1,876,711.64 = 398,515.84/x
  3. Step 3: Cross multiply
    1,251,555.55x = 1,876,711.64 × 398,515.84
  4. Step 4: Simplify right side
    1,251,555.55x = 747,899,308,968.02
  5. Step 5: Solve for x
    x = 747,899,308,968.02/1,251,555.55
  6. Step 6: Final answer
    x = 597,575.80

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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.