Home / 1,086,479.10-1,629,718.65-806,543.10

Finding the Fourth Proportional to 1,086,479.10, 1,629,718.65 and 806,543.10

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Solution

The fourth proportional to 1,086,479.10, 1,629,718.65 and 806,543.10 is: 1,209,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,479.10 : 1,629,718.65 = 806,543.10 : x
  2. Step 2: Convert to fraction form
    1,086,479.10/1,629,718.65 = 806,543.10/x
  3. Step 3: Cross multiply
    1,086,479.10x = 1,629,718.65 × 806,543.10
  4. Step 4: Simplify right side
    1,086,479.10x = 1,314,438,332,098.82
  5. Step 5: Solve for x
    x = 1,314,438,332,098.82/1,086,479.10
  6. Step 6: Final answer
    x = 1,209,814.65

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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.