Home / 1,086,872.52-1,630,307.70-712,808.04

Finding the Fourth Proportional to 1,086,872.52, 1,630,307.70 and 712,808.04

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Solution

The fourth proportional to 1,086,872.52, 1,630,307.70 and 712,808.04 is: 1,069,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,872.52 : 1,630,307.70 = 712,808.04 : x
  2. Step 2: Convert to fraction form
    1,086,872.52/1,630,307.70 = 712,808.04/x
  3. Step 3: Cross multiply
    1,086,872.52x = 1,630,307.70 × 712,808.04
  4. Step 4: Simplify right side
    1,086,872.52x = 1,162,096,436,233.91
  5. Step 5: Solve for x
    x = 1,162,096,436,233.91/1,086,872.52
  6. Step 6: Final answer
    x = 1,069,211.35

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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.