Home / 1,251,679.28-1,876,689.36-452,856.87

Finding the Fourth Proportional to 1,251,679.28, 1,876,689.36 and 452,856.87

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Solution

The fourth proportional to 1,251,679.28, 1,876,689.36 and 452,856.87 is: 678,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,679.28 : 1,876,689.36 = 452,856.87 : x
  2. Step 2: Convert to fraction form
    1,251,679.28/1,876,689.36 = 452,856.87/x
  3. Step 3: Cross multiply
    1,251,679.28x = 1,876,689.36 × 452,856.87
  4. Step 4: Simplify right side
    1,251,679.28x = 849,871,669,531.90
  5. Step 5: Solve for x
    x = 849,871,669,531.90/1,251,679.28
  6. Step 6: Final answer
    x = 678,985.17

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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.