Home / 1,786,970.20-2,680,955.70-722,759.80

Finding the Fourth Proportional to 1,786,970.20, 2,680,955.70 and 722,759.80

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Solution

The fourth proportional to 1,786,970.20, 2,680,955.70 and 722,759.80 is: 1,084,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,970.20 : 2,680,955.70 = 722,759.80 : x
  2. Step 2: Convert to fraction form
    1,786,970.20/2,680,955.70 = 722,759.80/x
  3. Step 3: Cross multiply
    1,786,970.20x = 2,680,955.70 × 722,759.80
  4. Step 4: Simplify right side
    1,786,970.20x = 1,937,687,005,540.86
  5. Step 5: Solve for x
    x = 1,937,687,005,540.86/1,786,970.20
  6. Step 6: Final answer
    x = 1,084,342.09

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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.