Home / 1,580,999.40-2,371,144.16-727,251.09

Finding the Fourth Proportional to 1,580,999.40, 2,371,144.16 and 727,251.09

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Solution

The fourth proportional to 1,580,999.40, 2,371,144.16 and 727,251.09 is: 1,090,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,999.40 : 2,371,144.16 = 727,251.09 : x
  2. Step 2: Convert to fraction form
    1,580,999.40/2,371,144.16 = 727,251.09/x
  3. Step 3: Cross multiply
    1,580,999.40x = 2,371,144.16 × 727,251.09
  4. Step 4: Simplify right side
    1,580,999.40x = 1,724,417,179,016.87
  5. Step 5: Solve for x
    x = 1,724,417,179,016.87/1,580,999.40
  6. Step 6: Final answer
    x = 1,090,713.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.