Home / 1,040,700.60-1,560,931.66-272,272.50

Finding the Fourth Proportional to 1,040,700.60, 1,560,931.66 and 272,272.50

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Solution

The fourth proportional to 1,040,700.60, 1,560,931.66 and 272,272.50 is: 408,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,700.60 : 1,560,931.66 = 272,272.50 : x
  2. Step 2: Convert to fraction form
    1,040,700.60/1,560,931.66 = 272,272.50/x
  3. Step 3: Cross multiply
    1,040,700.60x = 1,560,931.66 × 272,272.50
  4. Step 4: Simplify right side
    1,040,700.60x = 424,998,765,397.35
  5. Step 5: Solve for x
    x = 424,998,765,397.35/1,040,700.60
  6. Step 6: Final answer
    x = 408,377.55

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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.