Home / 1,206,680.90-1,663,854.98-770,524.74

Finding the Fourth Proportional to 1,206,680.90, 1,663,854.98 and 770,524.74

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Solution

The fourth proportional to 1,206,680.90, 1,663,854.98 and 770,524.74 is: 1,062,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,680.90 : 1,663,854.98 = 770,524.74 : x
  2. Step 2: Convert to fraction form
    1,206,680.90/1,663,854.98 = 770,524.74/x
  3. Step 3: Cross multiply
    1,206,680.90x = 1,663,854.98 × 770,524.74
  4. Step 4: Simplify right side
    1,206,680.90x = 1,282,041,422,009.58
  5. Step 5: Solve for x
    x = 1,282,041,422,009.58/1,206,680.90
  6. Step 6: Final answer
    x = 1,062,452.74

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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.