Home / 1,013,429.46-1,520,144.19-823,660.74

Finding the Fourth Proportional to 1,013,429.46, 1,520,144.19 and 823,660.74

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Solution

The fourth proportional to 1,013,429.46, 1,520,144.19 and 823,660.74 is: 1,235,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,429.46 : 1,520,144.19 = 823,660.74 : x
  2. Step 2: Convert to fraction form
    1,013,429.46/1,520,144.19 = 823,660.74/x
  3. Step 3: Cross multiply
    1,013,429.46x = 1,520,144.19 × 823,660.74
  4. Step 4: Simplify right side
    1,013,429.46x = 1,252,083,088,442.10
  5. Step 5: Solve for x
    x = 1,252,083,088,442.10/1,013,429.46
  6. Step 6: Final answer
    x = 1,235,491.11

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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.