Home / 918,018.10-1,377,027.15-638,082.10

Finding the Fourth Proportional to 918,018.10, 1,377,027.15 and 638,082.10

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Solution

The fourth proportional to 918,018.10, 1,377,027.15 and 638,082.10 is: 957,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,018.10 : 1,377,027.15 = 638,082.10 : x
  2. Step 2: Convert to fraction form
    918,018.10/1,377,027.15 = 638,082.10/x
  3. Step 3: Cross multiply
    918,018.10x = 1,377,027.15 × 638,082.10
  4. Step 4: Simplify right side
    918,018.10x = 878,656,375,629.02
  5. Step 5: Solve for x
    x = 878,656,375,629.02/918,018.10
  6. Step 6: Final answer
    x = 957,123.15

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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.