Home / 1,253,242.76-1,876,626.62-864,947.35

Finding the Fourth Proportional to 1,253,242.76, 1,876,626.62 and 864,947.35

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Solution

The fourth proportional to 1,253,242.76, 1,876,626.62 and 864,947.35 is: 1,295,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,242.76 : 1,876,626.62 = 864,947.35 : x
  2. Step 2: Convert to fraction form
    1,253,242.76/1,876,626.62 = 864,947.35/x
  3. Step 3: Cross multiply
    1,253,242.76x = 1,876,626.62 × 864,947.35
  4. Step 4: Simplify right side
    1,253,242.76x = 1,623,183,222,275.29
  5. Step 5: Solve for x
    x = 1,623,183,222,275.29/1,253,242.76
  6. Step 6: Final answer
    x = 1,295,186.60

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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.