Home / 1,458,763.28-2,189,122.08-512,136.80

Finding the Fourth Proportional to 1,458,763.28, 2,189,122.08 and 512,136.80

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Solution

The fourth proportional to 1,458,763.28, 2,189,122.08 and 512,136.80 is: 768,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,763.28 : 2,189,122.08 = 512,136.80 : x
  2. Step 2: Convert to fraction form
    1,458,763.28/2,189,122.08 = 512,136.80/x
  3. Step 3: Cross multiply
    1,458,763.28x = 2,189,122.08 × 512,136.80
  4. Step 4: Simplify right side
    1,458,763.28x = 1,121,129,976,860.54
  5. Step 5: Solve for x
    x = 1,121,129,976,860.54/1,458,763.28
  6. Step 6: Final answer
    x = 768,548.26

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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.