Home / 1,338,515.07-1,847,172.27-726,667.35

Finding the Fourth Proportional to 1,338,515.07, 1,847,172.27 and 726,667.35

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Solution

The fourth proportional to 1,338,515.07, 1,847,172.27 and 726,667.35 is: 1,002,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,515.07 : 1,847,172.27 = 726,667.35 : x
  2. Step 2: Convert to fraction form
    1,338,515.07/1,847,172.27 = 726,667.35/x
  3. Step 3: Cross multiply
    1,338,515.07x = 1,847,172.27 × 726,667.35
  4. Step 4: Simplify right side
    1,338,515.07x = 1,342,279,778,434.38
  5. Step 5: Solve for x
    x = 1,342,279,778,434.38/1,338,515.07
  6. Step 6: Final answer
    x = 1,002,812.60

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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.