Home / 1,248,921.32-1,723,553.16-765,393.04

Finding the Fourth Proportional to 1,248,921.32, 1,723,553.16 and 765,393.04

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Solution

The fourth proportional to 1,248,921.32, 1,723,553.16 and 765,393.04 is: 1,056,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,921.32 : 1,723,553.16 = 765,393.04 : x
  2. Step 2: Convert to fraction form
    1,248,921.32/1,723,553.16 = 765,393.04/x
  3. Step 3: Cross multiply
    1,248,921.32x = 1,723,553.16 × 765,393.04
  4. Step 4: Simplify right side
    1,248,921.32x = 1,319,195,588,425.12
  5. Step 5: Solve for x
    x = 1,319,195,588,425.12/1,248,921.32
  6. Step 6: Final answer
    x = 1,056,267.97

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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.