Home / 1,150,702.47-1,587,990.29-641,350.17

Finding the Fourth Proportional to 1,150,702.47, 1,587,990.29 and 641,350.17

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Solution

The fourth proportional to 1,150,702.47, 1,587,990.29 and 641,350.17 is: 885,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,702.47 : 1,587,990.29 = 641,350.17 : x
  2. Step 2: Convert to fraction form
    1,150,702.47/1,587,990.29 = 641,350.17/x
  3. Step 3: Cross multiply
    1,150,702.47x = 1,587,990.29 × 641,350.17
  4. Step 4: Simplify right side
    1,150,702.47x = 1,018,457,839,243.10
  5. Step 5: Solve for x
    x = 1,018,457,839,243.10/1,150,702.47
  6. Step 6: Final answer
    x = 885,074.87

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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.