Home / 1,489,830.17-2,056,033.33-878,008.75

Finding the Fourth Proportional to 1,489,830.17, 2,056,033.33 and 878,008.75

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Solution

The fourth proportional to 1,489,830.17, 2,056,033.33 and 878,008.75 is: 1,211,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,830.17 : 2,056,033.33 = 878,008.75 : x
  2. Step 2: Convert to fraction form
    1,489,830.17/2,056,033.33 = 878,008.75/x
  3. Step 3: Cross multiply
    1,489,830.17x = 2,056,033.33 × 878,008.75
  4. Step 4: Simplify right side
    1,489,830.17x = 1,805,215,246,696.53
  5. Step 5: Solve for x
    x = 1,805,215,246,696.53/1,489,830.17
  6. Step 6: Final answer
    x = 1,211,691.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.