Home / 1,422,753.73-2,133,699.84-748,463.15

Finding the Fourth Proportional to 1,422,753.73, 2,133,699.84 and 748,463.15

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Solution

The fourth proportional to 1,422,753.73, 2,133,699.84 and 748,463.15 is: 1,122,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,753.73 : 2,133,699.84 = 748,463.15 : x
  2. Step 2: Convert to fraction form
    1,422,753.73/2,133,699.84 = 748,463.15/x
  3. Step 3: Cross multiply
    1,422,753.73x = 2,133,699.84 × 748,463.15
  4. Step 4: Simplify right side
    1,422,753.73x = 1,596,995,708,735.15
  5. Step 5: Solve for x
    x = 1,596,995,708,735.15/1,422,753.73
  6. Step 6: Final answer
    x = 1,122,468.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.