Home / 1,786,726.29-2,680,589.71-722,515.69

Finding the Fourth Proportional to 1,786,726.29, 2,680,589.71 and 722,515.69

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Solution

The fourth proportional to 1,786,726.29, 2,680,589.71 and 722,515.69 is: 1,083,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,726.29 : 2,680,589.71 = 722,515.69 : x
  2. Step 2: Convert to fraction form
    1,786,726.29/2,680,589.71 = 722,515.69/x
  3. Step 3: Cross multiply
    1,786,726.29x = 2,680,589.71 × 722,515.69
  4. Step 4: Simplify right side
    1,786,726.29x = 1,936,768,123,927.55
  5. Step 5: Solve for x
    x = 1,936,768,123,927.55/1,786,726.29
  6. Step 6: Final answer
    x = 1,083,975.84

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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.