Home / 918,200.10-1,377,300.15-818,472.90

Finding the Fourth Proportional to 918,200.10, 1,377,300.15 and 818,472.90

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Solution

The fourth proportional to 918,200.10, 1,377,300.15 and 818,472.90 is: 1,227,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,200.10 : 1,377,300.15 = 818,472.90 : x
  2. Step 2: Convert to fraction form
    918,200.10/1,377,300.15 = 818,472.90/x
  3. Step 3: Cross multiply
    918,200.10x = 1,377,300.15 × 818,472.90
  4. Step 4: Simplify right side
    918,200.10x = 1,127,282,847,940.94
  5. Step 5: Solve for x
    x = 1,127,282,847,940.94/918,200.10
  6. Step 6: Final answer
    x = 1,227,709.35

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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.