Home / 1,138,230.80-1,703,659.80-806,454.80

Finding the Fourth Proportional to 1,138,230.80, 1,703,659.80 and 806,454.80

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Solution

The fourth proportional to 1,138,230.80, 1,703,659.80 and 806,454.80 is: 1,207,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,230.80 : 1,703,659.80 = 806,454.80 : x
  2. Step 2: Convert to fraction form
    1,138,230.80/1,703,659.80 = 806,454.80/x
  3. Step 3: Cross multiply
    1,138,230.80x = 1,703,659.80 × 806,454.80
  4. Step 4: Simplify right side
    1,138,230.80x = 1,373,924,623,277.04
  5. Step 5: Solve for x
    x = 1,373,924,623,277.04/1,138,230.80
  6. Step 6: Final answer
    x = 1,207,070.33

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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.