Home / 1,154,454.12-1,731,936.74-396,278.60

Finding the Fourth Proportional to 1,154,454.12, 1,731,936.74 and 396,278.60

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Solution

The fourth proportional to 1,154,454.12, 1,731,936.74 and 396,278.60 is: 594,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,454.12 : 1,731,936.74 = 396,278.60 : x
  2. Step 2: Convert to fraction form
    1,154,454.12/1,731,936.74 = 396,278.60/x
  3. Step 3: Cross multiply
    1,154,454.12x = 1,731,936.74 × 396,278.60
  4. Step 4: Simplify right side
    1,154,454.12x = 686,329,455,974.69
  5. Step 5: Solve for x
    x = 686,329,455,974.69/1,154,454.12
  6. Step 6: Final answer
    x = 594,505.61

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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.