Home / 1,585,190.25-2,187,562.55-906,141.33

Finding the Fourth Proportional to 1,585,190.25, 2,187,562.55 and 906,141.33

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Solution

The fourth proportional to 1,585,190.25, 2,187,562.55 and 906,141.33 is: 1,250,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,190.25 : 2,187,562.55 = 906,141.33 : x
  2. Step 2: Convert to fraction form
    1,585,190.25/2,187,562.55 = 906,141.33/x
  3. Step 3: Cross multiply
    1,585,190.25x = 2,187,562.55 × 906,141.33
  4. Step 4: Simplify right side
    1,585,190.25x = 1,982,240,833,984.48
  5. Step 5: Solve for x
    x = 1,982,240,833,984.48/1,585,190.25
  6. Step 6: Final answer
    x = 1,250,475.04

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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.