Home / 1,425,082.84-2,137,727.94-478,445.56

Finding the Fourth Proportional to 1,425,082.84, 2,137,727.94 and 478,445.56

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Solution

The fourth proportional to 1,425,082.84, 2,137,727.94 and 478,445.56 is: 717,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,082.84 : 2,137,727.94 = 478,445.56 : x
  2. Step 2: Convert to fraction form
    1,425,082.84/2,137,727.94 = 478,445.56/x
  3. Step 3: Cross multiply
    1,425,082.84x = 2,137,727.94 × 478,445.56
  4. Step 4: Simplify right side
    1,425,082.84x = 1,022,786,441,380.95
  5. Step 5: Solve for x
    x = 1,022,786,441,380.95/1,425,082.84
  6. Step 6: Final answer
    x = 717,703.15

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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.