Home / 1,398,758.45-2,098,137.68-452,129.18

Finding the Fourth Proportional to 1,398,758.45, 2,098,137.68 and 452,129.18

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Solution

The fourth proportional to 1,398,758.45, 2,098,137.68 and 452,129.18 is: 678,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,758.45 : 2,098,137.68 = 452,129.18 : x
  2. Step 2: Convert to fraction form
    1,398,758.45/2,098,137.68 = 452,129.18/x
  3. Step 3: Cross multiply
    1,398,758.45x = 2,098,137.68 × 452,129.18
  4. Step 4: Simplify right side
    1,398,758.45x = 948,629,256,034.17
  5. Step 5: Solve for x
    x = 948,629,256,034.17/1,398,758.45
  6. Step 6: Final answer
    x = 678,193.76

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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.