Home / 1,452,920.40-2,005,042.44-808,414.80

Finding the Fourth Proportional to 1,452,920.40, 2,005,042.44 and 808,414.80

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Solution

The fourth proportional to 1,452,920.40, 2,005,042.44 and 808,414.80 is: 1,115,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,920.40 : 2,005,042.44 = 808,414.80 : x
  2. Step 2: Convert to fraction form
    1,452,920.40/2,005,042.44 = 808,414.80/x
  3. Step 3: Cross multiply
    1,452,920.40x = 2,005,042.44 × 808,414.80
  4. Step 4: Simplify right side
    1,452,920.40x = 1,620,905,983,124.11
  5. Step 5: Solve for x
    x = 1,620,905,983,124.11/1,452,920.40
  6. Step 6: Final answer
    x = 1,115,619.26

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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.