Home / 1,008,163.20-1,512,244.80-906,686.40

Finding the Fourth Proportional to 1,008,163.20, 1,512,244.80 and 906,686.40

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Solution

The fourth proportional to 1,008,163.20, 1,512,244.80 and 906,686.40 is: 1,360,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,163.20 : 1,512,244.80 = 906,686.40 : x
  2. Step 2: Convert to fraction form
    1,008,163.20/1,512,244.80 = 906,686.40/x
  3. Step 3: Cross multiply
    1,008,163.20x = 1,512,244.80 × 906,686.40
  4. Step 4: Simplify right side
    1,008,163.20x = 1,371,131,793,630.72
  5. Step 5: Solve for x
    x = 1,371,131,793,630.72/1,008,163.20
  6. Step 6: Final answer
    x = 1,360,029.60

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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.