Home / 1,517,072.32-2,275,607.76-452,087.20

Finding the Fourth Proportional to 1,517,072.32, 2,275,607.76 and 452,087.20

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Solution

The fourth proportional to 1,517,072.32, 2,275,607.76 and 452,087.20 is: 678,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,072.32 : 2,275,607.76 = 452,087.20 : x
  2. Step 2: Convert to fraction form
    1,517,072.32/2,275,607.76 = 452,087.20/x
  3. Step 3: Cross multiply
    1,517,072.32x = 2,275,607.76 × 452,087.20
  4. Step 4: Simplify right side
    1,517,072.32x = 1,028,773,140,516.67
  5. Step 5: Solve for x
    x = 1,028,773,140,516.67/1,517,072.32
  6. Step 6: Final answer
    x = 678,130.59

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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.