Home / 1,238,062.20-1,708,880.13-729,059.82

Finding the Fourth Proportional to 1,238,062.20, 1,708,880.13 and 729,059.82

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Solution

The fourth proportional to 1,238,062.20, 1,708,880.13 and 729,059.82 is: 1,006,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,062.20 : 1,708,880.13 = 729,059.82 : x
  2. Step 2: Convert to fraction form
    1,238,062.20/1,708,880.13 = 729,059.82/x
  3. Step 3: Cross multiply
    1,238,062.20x = 1,708,880.13 × 729,059.82
  4. Step 4: Simplify right side
    1,238,062.20x = 1,245,875,839,979.38
  5. Step 5: Solve for x
    x = 1,245,875,839,979.38/1,238,062.20
  6. Step 6: Final answer
    x = 1,006,311.19

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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.