Home / 1,013,485.20-1,520,276.76-265,531.92

Finding the Fourth Proportional to 1,013,485.20, 1,520,276.76 and 265,531.92

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Solution

The fourth proportional to 1,013,485.20, 1,520,276.76 and 265,531.92 is: 398,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,485.20 : 1,520,276.76 = 265,531.92 : x
  2. Step 2: Convert to fraction form
    1,013,485.20/1,520,276.76 = 265,531.92/x
  3. Step 3: Cross multiply
    1,013,485.20x = 1,520,276.76 × 265,531.92
  4. Step 4: Simplify right side
    1,013,485.20x = 403,682,007,014.18
  5. Step 5: Solve for x
    x = 403,682,007,014.18/1,013,485.20
  6. Step 6: Final answer
    x = 398,310.71

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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.