Home / 1,512,337.03-2,087,072.39-867,875.11

Finding the Fourth Proportional to 1,512,337.03, 2,087,072.39 and 867,875.11

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Solution

The fourth proportional to 1,512,337.03, 2,087,072.39 and 867,875.11 is: 1,197,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,337.03 : 2,087,072.39 = 867,875.11 : x
  2. Step 2: Convert to fraction form
    1,512,337.03/2,087,072.39 = 867,875.11/x
  3. Step 3: Cross multiply
    1,512,337.03x = 2,087,072.39 × 867,875.11
  4. Step 4: Simplify right side
    1,512,337.03x = 1,811,318,177,001.22
  5. Step 5: Solve for x
    x = 1,811,318,177,001.22/1,512,337.03
  6. Step 6: Final answer
    x = 1,197,694.79

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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.