Home / 1,393,616.80-2,087,314.80-1,077,047.20

Finding the Fourth Proportional to 1,393,616.80, 2,087,314.80 and 1,077,047.20

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Solution

The fourth proportional to 1,393,616.80, 2,087,314.80 and 1,077,047.20 is: 1,613,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,616.80 : 2,087,314.80 = 1,077,047.20 : x
  2. Step 2: Convert to fraction form
    1,393,616.80/2,087,314.80 = 1,077,047.20/x
  3. Step 3: Cross multiply
    1,393,616.80x = 2,087,314.80 × 1,077,047.20
  4. Step 4: Simplify right side
    1,393,616.80x = 2,248,136,560,858.56
  5. Step 5: Solve for x
    x = 2,248,136,560,858.56/1,393,616.80
  6. Step 6: Final answer
    x = 1,613,166.95

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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.