Home / 1,376,012.80-2,060,908.80-816,140.80

Finding the Fourth Proportional to 1,376,012.80, 2,060,908.80 and 816,140.80

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Solution

The fourth proportional to 1,376,012.80, 2,060,908.80 and 816,140.80 is: 1,222,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,012.80 : 2,060,908.80 = 816,140.80 : x
  2. Step 2: Convert to fraction form
    1,376,012.80/2,060,908.80 = 816,140.80/x
  3. Step 3: Cross multiply
    1,376,012.80x = 2,060,908.80 × 816,140.80
  4. Step 4: Simplify right side
    1,376,012.80x = 1,681,991,756,759.04
  5. Step 5: Solve for x
    x = 1,681,991,756,759.04/1,376,012.80
  6. Step 6: Final answer
    x = 1,222,366.36

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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.