Home / 1,098,288.28-1,514,856.36-1,007,936.08

Finding the Fourth Proportional to 1,098,288.28, 1,514,856.36 and 1,007,936.08

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Solution

The fourth proportional to 1,098,288.28, 1,514,856.36 and 1,007,936.08 is: 1,390,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,288.28 : 1,514,856.36 = 1,007,936.08 : x
  2. Step 2: Convert to fraction form
    1,098,288.28/1,514,856.36 = 1,007,936.08/x
  3. Step 3: Cross multiply
    1,098,288.28x = 1,514,856.36 × 1,007,936.08
  4. Step 4: Simplify right side
    1,098,288.28x = 1,526,878,381,261.47
  5. Step 5: Solve for x
    x = 1,526,878,381,261.47/1,098,288.28
  6. Step 6: Final answer
    x = 1,390,234.61

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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.