Home / 1,587,882.39-2,191,206.27-899,540.17

Finding the Fourth Proportional to 1,587,882.39, 2,191,206.27 and 899,540.17

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Solution

The fourth proportional to 1,587,882.39, 2,191,206.27 and 899,540.17 is: 1,241,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,882.39 : 2,191,206.27 = 899,540.17 : x
  2. Step 2: Convert to fraction form
    1,587,882.39/2,191,206.27 = 899,540.17/x
  3. Step 3: Cross multiply
    1,587,882.39x = 2,191,206.27 × 899,540.17
  4. Step 4: Simplify right side
    1,587,882.39x = 1,971,078,060,620.87
  5. Step 5: Solve for x
    x = 1,971,078,060,620.87/1,587,882.39
  6. Step 6: Final answer
    x = 1,241,324.97

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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.