Home / 1,248,940.26-1,873,476.72-396,079.11

Finding the Fourth Proportional to 1,248,940.26, 1,873,476.72 and 396,079.11

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Solution

The fourth proportional to 1,248,940.26, 1,873,476.72 and 396,079.11 is: 594,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,940.26 : 1,873,476.72 = 396,079.11 : x
  2. Step 2: Convert to fraction form
    1,248,940.26/1,873,476.72 = 396,079.11/x
  3. Step 3: Cross multiply
    1,248,940.26x = 1,873,476.72 × 396,079.11
  4. Step 4: Simplify right side
    1,248,940.26x = 742,044,991,863.32
  5. Step 5: Solve for x
    x = 742,044,991,863.32/1,248,940.26
  6. Step 6: Final answer
    x = 594,139.70

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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.