Home / 1,432,196.88-1,976,392.26-787,617.08

Finding the Fourth Proportional to 1,432,196.88, 1,976,392.26 and 787,617.08

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Solution

The fourth proportional to 1,432,196.88, 1,976,392.26 and 787,617.08 is: 1,086,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,196.88 : 1,976,392.26 = 787,617.08 : x
  2. Step 2: Convert to fraction form
    1,432,196.88/1,976,392.26 = 787,617.08/x
  3. Step 3: Cross multiply
    1,432,196.88x = 1,976,392.26 × 787,617.08
  4. Step 4: Simplify right side
    1,432,196.88x = 1,556,640,290,873.84
  5. Step 5: Solve for x
    x = 1,556,640,290,873.84/1,432,196.88
  6. Step 6: Final answer
    x = 1,086,889.88

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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.