Home / 1,203,503.12-1,660,616.52-773,684.72

Finding the Fourth Proportional to 1,203,503.12, 1,660,616.52 and 773,684.72

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Solution

The fourth proportional to 1,203,503.12, 1,660,616.52 and 773,684.72 is: 1,067,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,503.12 : 1,660,616.52 = 773,684.72 : x
  2. Step 2: Convert to fraction form
    1,203,503.12/1,660,616.52 = 773,684.72/x
  3. Step 3: Cross multiply
    1,203,503.12x = 1,660,616.52 × 773,684.72
  4. Step 4: Simplify right side
    1,203,503.12x = 1,284,793,627,303.57
  5. Step 5: Solve for x
    x = 1,284,793,627,303.57/1,203,503.12
  6. Step 6: Final answer
    x = 1,067,544.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.