Home / 987,110.20-1,480,665.30-735,167.80

Finding the Fourth Proportional to 987,110.20, 1,480,665.30 and 735,167.80

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Solution

The fourth proportional to 987,110.20, 1,480,665.30 and 735,167.80 is: 1,102,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,110.20 : 1,480,665.30 = 735,167.80 : x
  2. Step 2: Convert to fraction form
    987,110.20/1,480,665.30 = 735,167.80/x
  3. Step 3: Cross multiply
    987,110.20x = 1,480,665.30 × 735,167.80
  4. Step 4: Simplify right side
    987,110.20x = 1,088,537,451,137.34
  5. Step 5: Solve for x
    x = 1,088,537,451,137.34/987,110.20
  6. Step 6: Final answer
    x = 1,102,751.70

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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.