Home / 1,352,414.88-1,866,203.28-808,442.64

Finding the Fourth Proportional to 1,352,414.88, 1,866,203.28 and 808,442.64

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Solution

The fourth proportional to 1,352,414.88, 1,866,203.28 and 808,442.64 is: 1,115,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,414.88 : 1,866,203.28 = 808,442.64 : x
  2. Step 2: Convert to fraction form
    1,352,414.88/1,866,203.28 = 808,442.64/x
  3. Step 3: Cross multiply
    1,352,414.88x = 1,866,203.28 × 808,442.64
  4. Step 4: Simplify right side
    1,352,414.88x = 1,508,718,306,459.86
  5. Step 5: Solve for x
    x = 1,508,718,306,459.86/1,352,414.88
  6. Step 6: Final answer
    x = 1,115,573.58

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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.