Home / 686,073.72-1,029,017.16-180,592.37

Finding the Fourth Proportional to 686,073.72, 1,029,017.16 and 180,592.37

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Solution

The fourth proportional to 686,073.72, 1,029,017.16 and 180,592.37 is: 270,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,073.72 : 1,029,017.16 = 180,592.37 : x
  2. Step 2: Convert to fraction form
    686,073.72/1,029,017.16 = 180,592.37/x
  3. Step 3: Cross multiply
    686,073.72x = 1,029,017.16 × 180,592.37
  4. Step 4: Simplify right side
    686,073.72x = 185,832,642,549.98
  5. Step 5: Solve for x
    x = 185,832,642,549.98/686,073.72
  6. Step 6: Final answer
    x = 270,863.96

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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.