Home / 1,008,052.15-1,512,078.23-672,128.95

Finding the Fourth Proportional to 1,008,052.15, 1,512,078.23 and 672,128.95

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Solution

The fourth proportional to 1,008,052.15, 1,512,078.23 and 672,128.95 is: 1,008,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,052.15 : 1,512,078.23 = 672,128.95 : x
  2. Step 2: Convert to fraction form
    1,008,052.15/1,512,078.23 = 672,128.95/x
  3. Step 3: Cross multiply
    1,008,052.15x = 1,512,078.23 × 672,128.95
  4. Step 4: Simplify right side
    1,008,052.15x = 1,016,311,553,047.76
  5. Step 5: Solve for x
    x = 1,016,311,553,047.76/1,008,052.15
  6. Step 6: Final answer
    x = 1,008,193.43

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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.