Home / 1,015,239.83-1,522,863.18-257,080.95

Finding the Fourth Proportional to 1,015,239.83, 1,522,863.18 and 257,080.95

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Solution

The fourth proportional to 1,015,239.83, 1,522,863.18 and 257,080.95 is: 385,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,239.83 : 1,522,863.18 = 257,080.95 : x
  2. Step 2: Convert to fraction form
    1,015,239.83/1,522,863.18 = 257,080.95/x
  3. Step 3: Cross multiply
    1,015,239.83x = 1,522,863.18 × 257,080.95
  4. Step 4: Simplify right side
    1,015,239.83x = 391,499,113,034.42
  5. Step 5: Solve for x
    x = 391,499,113,034.42/1,015,239.83
  6. Step 6: Final answer
    x = 385,622.30

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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.