Home / 1,820,244.67-2,729,657.31-682,386.61

Finding the Fourth Proportional to 1,820,244.67, 2,729,657.31 and 682,386.61

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Solution

The fourth proportional to 1,820,244.67, 2,729,657.31 and 682,386.61 is: 1,023,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,244.67 : 2,729,657.31 = 682,386.61 : x
  2. Step 2: Convert to fraction form
    1,820,244.67/2,729,657.31 = 682,386.61/x
  3. Step 3: Cross multiply
    1,820,244.67x = 2,729,657.31 × 682,386.61
  4. Step 4: Simplify right side
    1,820,244.67x = 1,862,681,608,362.23
  5. Step 5: Solve for x
    x = 1,862,681,608,362.23/1,820,244.67
  6. Step 6: Final answer
    x = 1,023,313.87

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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.