Home / 1,272,813-1,756,436.98-699,849.16

Finding the Fourth Proportional to 1,272,813, 1,756,436.98 and 699,849.16

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Solution

The fourth proportional to 1,272,813, 1,756,436.98 and 699,849.16 is: 965,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,813 : 1,756,436.98 = 699,849.16 : x
  2. Step 2: Convert to fraction form
    1,272,813/1,756,436.98 = 699,849.16/x
  3. Step 3: Cross multiply
    1,272,813x = 1,756,436.98 × 699,849.16
  4. Step 4: Simplify right side
    1,272,813x = 1,229,240,945,045.94
  5. Step 5: Solve for x
    x = 1,229,240,945,045.94/1,272,813
  6. Step 6: Final answer
    x = 965,767.12

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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.