Home / 987,778.27-1,479,363.72-837,487.63

Finding the Fourth Proportional to 987,778.27, 1,479,363.72 and 837,487.63

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Solution

The fourth proportional to 987,778.27, 1,479,363.72 and 837,487.63 is: 1,254,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,778.27 : 1,479,363.72 = 837,487.63 : x
  2. Step 2: Convert to fraction form
    987,778.27/1,479,363.72 = 837,487.63/x
  3. Step 3: Cross multiply
    987,778.27x = 1,479,363.72 × 837,487.63
  4. Step 4: Simplify right side
    987,778.27x = 1,238,948,815,770.78
  5. Step 5: Solve for x
    x = 1,238,948,815,770.78/987,778.27
  6. Step 6: Final answer
    x = 1,254,278.27

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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.