Home / 1,787,020.68-2,466,447.22-1,061,728.76

Finding the Fourth Proportional to 1,787,020.68, 2,466,447.22 and 1,061,728.76

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Solution

The fourth proportional to 1,787,020.68, 2,466,447.22 and 1,061,728.76 is: 1,465,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,020.68 : 2,466,447.22 = 1,061,728.76 : x
  2. Step 2: Convert to fraction form
    1,787,020.68/2,466,447.22 = 1,061,728.76/x
  3. Step 3: Cross multiply
    1,787,020.68x = 2,466,447.22 × 1,061,728.76
  4. Step 4: Simplify right side
    1,787,020.68x = 2,618,697,948,496.05
  5. Step 5: Solve for x
    x = 2,618,697,948,496.05/1,787,020.68
  6. Step 6: Final answer
    x = 1,465,398.79

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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.