Home / 1,022,121.30-1,400,311.17-983,812.92

Finding the Fourth Proportional to 1,022,121.30, 1,400,311.17 and 983,812.92

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Solution

The fourth proportional to 1,022,121.30, 1,400,311.17 and 983,812.92 is: 1,347,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,121.30 : 1,400,311.17 = 983,812.92 : x
  2. Step 2: Convert to fraction form
    1,022,121.30/1,400,311.17 = 983,812.92/x
  3. Step 3: Cross multiply
    1,022,121.30x = 1,400,311.17 × 983,812.92
  4. Step 4: Simplify right side
    1,022,121.30x = 1,377,644,221,066.32
  5. Step 5: Solve for x
    x = 1,377,644,221,066.32/1,022,121.30
  6. Step 6: Final answer
    x = 1,347,828.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.