Home / 1,055,042.60-1,454,512.74-667,665.32

Finding the Fourth Proportional to 1,055,042.60, 1,454,512.74 and 667,665.32

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Solution

The fourth proportional to 1,055,042.60, 1,454,512.74 and 667,665.32 is: 920,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,042.60 : 1,454,512.74 = 667,665.32 : x
  2. Step 2: Convert to fraction form
    1,055,042.60/1,454,512.74 = 667,665.32/x
  3. Step 3: Cross multiply
    1,055,042.60x = 1,454,512.74 × 667,665.32
  4. Step 4: Simplify right side
    1,055,042.60x = 971,127,713,996.18
  5. Step 5: Solve for x
    x = 971,127,713,996.18/1,055,042.60
  6. Step 6: Final answer
    x = 920,463.04

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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.