Home / 1,159,707.80-1,738,179.30-485,787.80

Finding the Fourth Proportional to 1,159,707.80, 1,738,179.30 and 485,787.80

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Solution

The fourth proportional to 1,159,707.80, 1,738,179.30 and 485,787.80 is: 728,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,707.80 : 1,738,179.30 = 485,787.80 : x
  2. Step 2: Convert to fraction form
    1,159,707.80/1,738,179.30 = 485,787.80/x
  3. Step 3: Cross multiply
    1,159,707.80x = 1,738,179.30 × 485,787.80
  4. Step 4: Simplify right side
    1,159,707.80x = 844,386,298,152.54
  5. Step 5: Solve for x
    x = 844,386,298,152.54/1,159,707.80
  6. Step 6: Final answer
    x = 728,102.63

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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.