Home / 1,030,242.40-1,545,339.44-272,136.78

Finding the Fourth Proportional to 1,030,242.40, 1,545,339.44 and 272,136.78

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Solution

The fourth proportional to 1,030,242.40, 1,545,339.44 and 272,136.78 is: 408,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,242.40 : 1,545,339.44 = 272,136.78 : x
  2. Step 2: Convert to fraction form
    1,030,242.40/1,545,339.44 = 272,136.78/x
  3. Step 3: Cross multiply
    1,030,242.40x = 1,545,339.44 × 272,136.78
  4. Step 4: Simplify right side
    1,030,242.40x = 420,543,693,984.57
  5. Step 5: Solve for x
    x = 420,543,693,984.57/1,030,242.40
  6. Step 6: Final answer
    x = 408,198.78

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1.5x scale

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.