Home / 1,535,339.28-2,299,924.60-764,514.80

Finding the Fourth Proportional to 1,535,339.28, 2,299,924.60 and 764,514.80

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Solution

The fourth proportional to 1,535,339.28, 2,299,924.60 and 764,514.80 is: 1,145,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,339.28 : 2,299,924.60 = 764,514.80 : x
  2. Step 2: Convert to fraction form
    1,535,339.28/2,299,924.60 = 764,514.80/x
  3. Step 3: Cross multiply
    1,535,339.28x = 2,299,924.60 × 764,514.80
  4. Step 4: Simplify right side
    1,535,339.28x = 1,758,326,395,584.08
  5. Step 5: Solve for x
    x = 1,758,326,395,584.08/1,535,339.28
  6. Step 6: Final answer
    x = 1,145,236.38

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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.