Home / 1,231,971.80-1,844,847.30-983,139.80

Finding the Fourth Proportional to 1,231,971.80, 1,844,847.30 and 983,139.80

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Solution

The fourth proportional to 1,231,971.80, 1,844,847.30 and 983,139.80 is: 1,472,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,971.80 : 1,844,847.30 = 983,139.80 : x
  2. Step 2: Convert to fraction form
    1,231,971.80/1,844,847.30 = 983,139.80/x
  3. Step 3: Cross multiply
    1,231,971.80x = 1,844,847.30 × 983,139.80
  4. Step 4: Simplify right side
    1,231,971.80x = 1,813,742,805,552.54
  5. Step 5: Solve for x
    x = 1,813,742,805,552.54/1,231,971.80
  6. Step 6: Final answer
    x = 1,472,227.53

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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.