Home / 1,786,726.55-2,680,590.09-722,515.94

Finding the Fourth Proportional to 1,786,726.55, 2,680,590.09 and 722,515.94

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Solution

The fourth proportional to 1,786,726.55, 2,680,590.09 and 722,515.94 is: 1,083,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,726.55 : 2,680,590.09 = 722,515.94 : x
  2. Step 2: Convert to fraction form
    1,786,726.55/2,680,590.09 = 722,515.94/x
  3. Step 3: Cross multiply
    1,786,726.55x = 2,680,590.09 × 722,515.94
  4. Step 4: Simplify right side
    1,786,726.55x = 1,936,769,065,018.45
  5. Step 5: Solve for x
    x = 1,936,769,065,018.45/1,786,726.55
  6. Step 6: Final answer
    x = 1,083,976.21

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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.