Home / 1,585,191.25-2,187,563.93-906,142.33

Finding the Fourth Proportional to 1,585,191.25, 2,187,563.93 and 906,142.33

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Solution

The fourth proportional to 1,585,191.25, 2,187,563.93 and 906,142.33 is: 1,250,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,191.25 : 2,187,563.93 = 906,142.33 : x
  2. Step 2: Convert to fraction form
    1,585,191.25/2,187,563.93 = 906,142.33/x
  3. Step 3: Cross multiply
    1,585,191.25x = 2,187,563.93 × 906,142.33
  4. Step 4: Simplify right side
    1,585,191.25x = 1,982,244,276,554.16
  5. Step 5: Solve for x
    x = 1,982,244,276,554.16/1,585,191.25
  6. Step 6: Final answer
    x = 1,250,476.42

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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.