Home / 1,506,081.33-2,078,382.65-861,512.22

Finding the Fourth Proportional to 1,506,081.33, 2,078,382.65 and 861,512.22

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Solution

The fourth proportional to 1,506,081.33, 2,078,382.65 and 861,512.22 is: 1,188,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,081.33 : 2,078,382.65 = 861,512.22 : x
  2. Step 2: Convert to fraction form
    1,506,081.33/2,078,382.65 = 861,512.22/x
  3. Step 3: Cross multiply
    1,506,081.33x = 2,078,382.65 × 861,512.22
  4. Step 4: Simplify right side
    1,506,081.33x = 1,790,552,046,503.42
  5. Step 5: Solve for x
    x = 1,790,552,046,503.42/1,506,081.33
  6. Step 6: Final answer
    x = 1,188,881.38

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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.