Home / 1,008,022.10-1,512,033.15-756,079.70

Finding the Fourth Proportional to 1,008,022.10, 1,512,033.15 and 756,079.70

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Solution

The fourth proportional to 1,008,022.10, 1,512,033.15 and 756,079.70 is: 1,134,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,022.10 : 1,512,033.15 = 756,079.70 : x
  2. Step 2: Convert to fraction form
    1,008,022.10/1,512,033.15 = 756,079.70/x
  3. Step 3: Cross multiply
    1,008,022.10x = 1,512,033.15 × 756,079.70
  4. Step 4: Simplify right side
    1,008,022.10x = 1,143,217,570,442.06
  5. Step 5: Solve for x
    x = 1,143,217,570,442.06/1,008,022.10
  6. Step 6: Final answer
    x = 1,134,119.55

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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.