Home / 1,049,932.80-1,448,006.40-667,814.40

Finding the Fourth Proportional to 1,049,932.80, 1,448,006.40 and 667,814.40

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Solution

The fourth proportional to 1,049,932.80, 1,448,006.40 and 667,814.40 is: 921,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,932.80 : 1,448,006.40 = 667,814.40 : x
  2. Step 2: Convert to fraction form
    1,049,932.80/1,448,006.40 = 667,814.40/x
  3. Step 3: Cross multiply
    1,049,932.80x = 1,448,006.40 × 667,814.40
  4. Step 4: Simplify right side
    1,049,932.80x = 966,999,525,212.16
  5. Step 5: Solve for x
    x = 966,999,525,212.16/1,049,932.80
  6. Step 6: Final answer
    x = 921,010.87

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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.