Home / 1,585,191.38-2,187,564.10-906,142.46

Finding the Fourth Proportional to 1,585,191.38, 2,187,564.10 and 906,142.46

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Solution

The fourth proportional to 1,585,191.38, 2,187,564.10 and 906,142.46 is: 1,250,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,191.38 : 2,187,564.10 = 906,142.46 : x
  2. Step 2: Convert to fraction form
    1,585,191.38/2,187,564.10 = 906,142.46/x
  3. Step 3: Cross multiply
    1,585,191.38x = 2,187,564.10 × 906,142.46
  4. Step 4: Simplify right side
    1,585,191.38x = 1,982,244,701,778.51
  5. Step 5: Solve for x
    x = 1,982,244,701,778.51/1,585,191.38
  6. Step 6: Final answer
    x = 1,250,476.59

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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.