Home / 1,228,287.06-1,695,013.20-684,411.30

Finding the Fourth Proportional to 1,228,287.06, 1,695,013.20 and 684,411.30

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Solution

The fourth proportional to 1,228,287.06, 1,695,013.20 and 684,411.30 is: 944,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,287.06 : 1,695,013.20 = 684,411.30 : x
  2. Step 2: Convert to fraction form
    1,228,287.06/1,695,013.20 = 684,411.30/x
  3. Step 3: Cross multiply
    1,228,287.06x = 1,695,013.20 × 684,411.30
  4. Step 4: Simplify right side
    1,228,287.06x = 1,160,086,187,729.16
  5. Step 5: Solve for x
    x = 1,160,086,187,729.16/1,228,287.06
  6. Step 6: Final answer
    x = 944,474.81

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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.