Home / 856,821.96-1,286,833.76-754,275.65

Finding the Fourth Proportional to 856,821.96, 1,286,833.76 and 754,275.65

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Solution

The fourth proportional to 856,821.96, 1,286,833.76 and 754,275.65 is: 1,132,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,821.96 : 1,286,833.76 = 754,275.65 : x
  2. Step 2: Convert to fraction form
    856,821.96/1,286,833.76 = 754,275.65/x
  3. Step 3: Cross multiply
    856,821.96x = 1,286,833.76 × 754,275.65
  4. Step 4: Simplify right side
    856,821.96x = 970,627,363,388.93
  5. Step 5: Solve for x
    x = 970,627,363,388.93/856,821.96
  6. Step 6: Final answer
    x = 1,132,822.70

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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.