Home / 1,136,701.68-1,568,548.98-728,082.60

Finding the Fourth Proportional to 1,136,701.68, 1,568,548.98 and 728,082.60

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Solution

The fourth proportional to 1,136,701.68, 1,568,548.98 and 728,082.60 is: 1,004,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,701.68 : 1,568,548.98 = 728,082.60 : x
  2. Step 2: Convert to fraction form
    1,136,701.68/1,568,548.98 = 728,082.60/x
  3. Step 3: Cross multiply
    1,136,701.68x = 1,568,548.98 × 728,082.60
  4. Step 4: Simplify right side
    1,136,701.68x = 1,142,033,219,585.75
  5. Step 5: Solve for x
    x = 1,142,033,219,585.75/1,136,701.68
  6. Step 6: Final answer
    x = 1,004,690.36

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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.