Home / 1,345,743.28-1,857,269.76-822,760.76

Finding the Fourth Proportional to 1,345,743.28, 1,857,269.76 and 822,760.76

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Solution

The fourth proportional to 1,345,743.28, 1,857,269.76 and 822,760.76 is: 1,135,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,743.28 : 1,857,269.76 = 822,760.76 : x
  2. Step 2: Convert to fraction form
    1,345,743.28/1,857,269.76 = 822,760.76/x
  3. Step 3: Cross multiply
    1,345,743.28x = 1,857,269.76 × 822,760.76
  4. Step 4: Simplify right side
    1,345,743.28x = 1,528,088,679,262.62
  5. Step 5: Solve for x
    x = 1,528,088,679,262.62/1,345,743.28
  6. Step 6: Final answer
    x = 1,135,497.91

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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.