Home / 1,371,824.10-2,057,736.15-867,939.30

Finding the Fourth Proportional to 1,371,824.10, 2,057,736.15 and 867,939.30

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Solution

The fourth proportional to 1,371,824.10, 2,057,736.15 and 867,939.30 is: 1,301,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,824.10 : 2,057,736.15 = 867,939.30 : x
  2. Step 2: Convert to fraction form
    1,371,824.10/2,057,736.15 = 867,939.30/x
  3. Step 3: Cross multiply
    1,371,824.10x = 2,057,736.15 × 867,939.30
  4. Step 4: Simplify right side
    1,371,824.10x = 1,785,990,073,615.70
  5. Step 5: Solve for x
    x = 1,785,990,073,615.70/1,371,824.10
  6. Step 6: Final answer
    x = 1,301,908.95

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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.