Home / 1,300,240.11-1,794,337.84-727,280.28

Finding the Fourth Proportional to 1,300,240.11, 1,794,337.84 and 727,280.28

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Solution

The fourth proportional to 1,300,240.11, 1,794,337.84 and 727,280.28 is: 1,003,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,240.11 : 1,794,337.84 = 727,280.28 : x
  2. Step 2: Convert to fraction form
    1,300,240.11/1,794,337.84 = 727,280.28/x
  3. Step 3: Cross multiply
    1,300,240.11x = 1,794,337.84 × 727,280.28
  4. Step 4: Simplify right side
    1,300,240.11x = 1,304,986,523,053.39
  5. Step 5: Solve for x
    x = 1,304,986,523,053.39/1,300,240.11
  6. Step 6: Final answer
    x = 1,003,650.42

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Double scale
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1.5x scale

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.