Home / 1,265,942.40-1,898,932.80-413,010.24

Finding the Fourth Proportional to 1,265,942.40, 1,898,932.80 and 413,010.24

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Solution

The fourth proportional to 1,265,942.40, 1,898,932.80 and 413,010.24 is: 619,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,942.40 : 1,898,932.80 = 413,010.24 : x
  2. Step 2: Convert to fraction form
    1,265,942.40/1,898,932.80 = 413,010.24/x
  3. Step 3: Cross multiply
    1,265,942.40x = 1,898,932.80 × 413,010.24
  4. Step 4: Simplify right side
    1,265,942.40x = 784,278,691,471.87
  5. Step 5: Solve for x
    x = 784,278,691,471.87/1,265,942.40
  6. Step 6: Final answer
    x = 619,521.62

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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.