Home / 1,786,729.43-2,680,594.41-722,518.83

Finding the Fourth Proportional to 1,786,729.43, 2,680,594.41 and 722,518.83

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Solution

The fourth proportional to 1,786,729.43, 2,680,594.41 and 722,518.83 is: 1,083,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,729.43 : 2,680,594.41 = 722,518.83 : x
  2. Step 2: Convert to fraction form
    1,786,729.43/2,680,594.41 = 722,518.83/x
  3. Step 3: Cross multiply
    1,786,729.43x = 2,680,594.41 × 722,518.83
  4. Step 4: Simplify right side
    1,786,729.43x = 1,936,779,936,817.74
  5. Step 5: Solve for x
    x = 1,936,779,936,817.74/1,786,729.43
  6. Step 6: Final answer
    x = 1,083,980.55

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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.