Home / 1,313,723.52-1,812,784.44-740,729.52

Finding the Fourth Proportional to 1,313,723.52, 1,812,784.44 and 740,729.52

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Solution

The fourth proportional to 1,313,723.52, 1,812,784.44 and 740,729.52 is: 1,022,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,723.52 : 1,812,784.44 = 740,729.52 : x
  2. Step 2: Convert to fraction form
    1,313,723.52/1,812,784.44 = 740,729.52/x
  3. Step 3: Cross multiply
    1,313,723.52x = 1,812,784.44 × 740,729.52
  4. Step 4: Simplify right side
    1,313,723.52x = 1,342,782,948,104.67
  5. Step 5: Solve for x
    x = 1,342,782,948,104.67/1,313,723.52
  6. Step 6: Final answer
    x = 1,022,119.90

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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.