Home / 1,231,306.80-1,699,073.94-714,959.76

Finding the Fourth Proportional to 1,231,306.80, 1,699,073.94 and 714,959.76

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Solution

The fourth proportional to 1,231,306.80, 1,699,073.94 and 714,959.76 is: 986,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,306.80 : 1,699,073.94 = 714,959.76 : x
  2. Step 2: Convert to fraction form
    1,231,306.80/1,699,073.94 = 714,959.76/x
  3. Step 3: Cross multiply
    1,231,306.80x = 1,699,073.94 × 714,959.76
  4. Step 4: Simplify right side
    1,231,306.80x = 1,214,769,496,364.65
  5. Step 5: Solve for x
    x = 1,214,769,496,364.65/1,231,306.80
  6. Step 6: Final answer
    x = 986,569.31

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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.