Home / 1,138,201.30-1,703,615.55-806,425.30

Finding the Fourth Proportional to 1,138,201.30, 1,703,615.55 and 806,425.30

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Solution

The fourth proportional to 1,138,201.30, 1,703,615.55 and 806,425.30 is: 1,207,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,201.30 : 1,703,615.55 = 806,425.30 : x
  2. Step 2: Convert to fraction form
    1,138,201.30/1,703,615.55 = 806,425.30/x
  3. Step 3: Cross multiply
    1,138,201.30x = 1,703,615.55 × 806,425.30
  4. Step 4: Simplify right side
    1,138,201.30x = 1,373,838,680,993.42
  5. Step 5: Solve for x
    x = 1,373,838,680,993.42/1,138,201.30
  6. Step 6: Final answer
    x = 1,207,026.10

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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.