Home / 1,159,007.80-1,737,129.30-485,087.80

Finding the Fourth Proportional to 1,159,007.80, 1,737,129.30 and 485,087.80

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Solution

The fourth proportional to 1,159,007.80, 1,737,129.30 and 485,087.80 is: 727,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,007.80 : 1,737,129.30 = 485,087.80 : x
  2. Step 2: Convert to fraction form
    1,159,007.80/1,737,129.30 = 485,087.80/x
  3. Step 3: Cross multiply
    1,159,007.80x = 1,737,129.30 × 485,087.80
  4. Step 4: Simplify right side
    1,159,007.80x = 842,660,230,452.54
  5. Step 5: Solve for x
    x = 842,660,230,452.54/1,159,007.80
  6. Step 6: Final answer
    x = 727,053.11

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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.