Home / 856,080.57-1,178,702.43-726,750.96

Finding the Fourth Proportional to 856,080.57, 1,178,702.43 and 726,750.96

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Solution

The fourth proportional to 856,080.57, 1,178,702.43 and 726,750.96 is: 1,000,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,080.57 : 1,178,702.43 = 726,750.96 : x
  2. Step 2: Convert to fraction form
    856,080.57/1,178,702.43 = 726,750.96/x
  3. Step 3: Cross multiply
    856,080.57x = 1,178,702.43 × 726,750.96
  4. Step 4: Simplify right side
    856,080.57x = 856,623,122,556.83
  5. Step 5: Solve for x
    x = 856,623,122,556.83/856,080.57
  6. Step 6: Final answer
    x = 1,000,633.76

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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.