Home / 1,661,930.32-2,490,927.16-762,614.04

Finding the Fourth Proportional to 1,661,930.32, 2,490,927.16 and 762,614.04

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Solution

The fourth proportional to 1,661,930.32, 2,490,927.16 and 762,614.04 is: 1,143,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,930.32 : 2,490,927.16 = 762,614.04 : x
  2. Step 2: Convert to fraction form
    1,661,930.32/2,490,927.16 = 762,614.04/x
  3. Step 3: Cross multiply
    1,661,930.32x = 2,490,927.16 × 762,614.04
  4. Step 4: Simplify right side
    1,661,930.32x = 1,899,616,024,833.33
  5. Step 5: Solve for x
    x = 1,899,616,024,833.33/1,661,930.32
  6. Step 6: Final answer
    x = 1,143,017.85

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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.