Home / 1,151,511.16-1,588,262.61-998,275.36

Finding the Fourth Proportional to 1,151,511.16, 1,588,262.61 and 998,275.36

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Solution

The fourth proportional to 1,151,511.16, 1,588,262.61 and 998,275.36 is: 1,376,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,511.16 : 1,588,262.61 = 998,275.36 : x
  2. Step 2: Convert to fraction form
    1,151,511.16/1,588,262.61 = 998,275.36/x
  3. Step 3: Cross multiply
    1,151,511.16x = 1,588,262.61 × 998,275.36
  4. Step 4: Simplify right side
    1,151,511.16x = 1,585,523,428,772.29
  5. Step 5: Solve for x
    x = 1,585,523,428,772.29/1,151,511.16
  6. Step 6: Final answer
    x = 1,376,906.70

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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.