Home / 1,478,553.35-2,218,073.34-453,857.90

Finding the Fourth Proportional to 1,478,553.35, 2,218,073.34 and 453,857.90

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Solution

The fourth proportional to 1,478,553.35, 2,218,073.34 and 453,857.90 is: 680,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,553.35 : 2,218,073.34 = 453,857.90 : x
  2. Step 2: Convert to fraction form
    1,478,553.35/2,218,073.34 = 453,857.90/x
  3. Step 3: Cross multiply
    1,478,553.35x = 2,218,073.34 × 453,857.90
  4. Step 4: Simplify right side
    1,478,553.35x = 1,006,690,108,138.39
  5. Step 5: Solve for x
    x = 1,006,690,108,138.39/1,478,553.35
  6. Step 6: Final answer
    x = 680,861.54

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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.