Home / 1,760,212.14-2,639,895.45-812,672.46

Finding the Fourth Proportional to 1,760,212.14, 2,639,895.45 and 812,672.46

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Solution

The fourth proportional to 1,760,212.14, 2,639,895.45 and 812,672.46 is: 1,218,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,212.14 : 2,639,895.45 = 812,672.46 : x
  2. Step 2: Convert to fraction form
    1,760,212.14/2,639,895.45 = 812,672.46/x
  3. Step 3: Cross multiply
    1,760,212.14x = 2,639,895.45 × 812,672.46
  4. Step 4: Simplify right side
    1,760,212.14x = 2,145,370,329,494.31
  5. Step 5: Solve for x
    x = 2,145,370,329,494.31/1,760,212.14
  6. Step 6: Final answer
    x = 1,218,813.51

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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.