Home / 1,252,685.80-1,728,701.22-743,807.08

Finding the Fourth Proportional to 1,252,685.80, 1,728,701.22 and 743,807.08

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Solution

The fourth proportional to 1,252,685.80, 1,728,701.22 and 743,807.08 is: 1,026,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,685.80 : 1,728,701.22 = 743,807.08 : x
  2. Step 2: Convert to fraction form
    1,252,685.80/1,728,701.22 = 743,807.08/x
  3. Step 3: Cross multiply
    1,252,685.80x = 1,728,701.22 × 743,807.08
  4. Step 4: Simplify right side
    1,252,685.80x = 1,285,820,206,640.64
  5. Step 5: Solve for x
    x = 1,285,820,206,640.64/1,252,685.80
  6. Step 6: Final answer
    x = 1,026,450.69

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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.