Home / 1,138,531.61-1,708,077.78-802,229.13

Finding the Fourth Proportional to 1,138,531.61, 1,708,077.78 and 802,229.13

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Solution

The fourth proportional to 1,138,531.61, 1,708,077.78 and 802,229.13 is: 1,203,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,531.61 : 1,708,077.78 = 802,229.13 : x
  2. Step 2: Convert to fraction form
    1,138,531.61/1,708,077.78 = 802,229.13/x
  3. Step 3: Cross multiply
    1,138,531.61x = 1,708,077.78 × 802,229.13
  4. Step 4: Simplify right side
    1,138,531.61x = 1,370,269,751,421.73
  5. Step 5: Solve for x
    x = 1,370,269,751,421.73/1,138,531.61
  6. Step 6: Final answer
    x = 1,203,541.24

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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.