Home / 1,102,510.20-1,653,959.70-392,950.20

Finding the Fourth Proportional to 1,102,510.20, 1,653,959.70 and 392,950.20

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Solution

The fourth proportional to 1,102,510.20, 1,653,959.70 and 392,950.20 is: 589,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,510.20 : 1,653,959.70 = 392,950.20 : x
  2. Step 2: Convert to fraction form
    1,102,510.20/1,653,959.70 = 392,950.20/x
  3. Step 3: Cross multiply
    1,102,510.20x = 1,653,959.70 × 392,950.20
  4. Step 4: Simplify right side
    1,102,510.20x = 649,923,794,906.94
  5. Step 5: Solve for x
    x = 649,923,794,906.94/1,102,510.20
  6. Step 6: Final answer
    x = 589,494.59

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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.