Home / 918,020.80-1,377,031.20-883,028.80

Finding the Fourth Proportional to 918,020.80, 1,377,031.20 and 883,028.80

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Solution

The fourth proportional to 918,020.80, 1,377,031.20 and 883,028.80 is: 1,324,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,020.80 : 1,377,031.20 = 883,028.80 : x
  2. Step 2: Convert to fraction form
    918,020.80/1,377,031.20 = 883,028.80/x
  3. Step 3: Cross multiply
    918,020.80x = 1,377,031.20 × 883,028.80
  4. Step 4: Simplify right side
    918,020.80x = 1,215,958,208,098.56
  5. Step 5: Solve for x
    x = 1,215,958,208,098.56/918,020.80
  6. Step 6: Final answer
    x = 1,324,543.20

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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.