Home / 1,272,635.25-1,908,468.09-562,275.78

Finding the Fourth Proportional to 1,272,635.25, 1,908,468.09 and 562,275.78

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Solution

The fourth proportional to 1,272,635.25, 1,908,468.09 and 562,275.78 is: 843,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,635.25 : 1,908,468.09 = 562,275.78 : x
  2. Step 2: Convert to fraction form
    1,272,635.25/1,908,468.09 = 562,275.78/x
  3. Step 3: Cross multiply
    1,272,635.25x = 1,908,468.09 × 562,275.78
  4. Step 4: Simplify right side
    1,272,635.25x = 1,073,085,383,909.86
  5. Step 5: Solve for x
    x = 1,073,085,383,909.86/1,272,635.25
  6. Step 6: Final answer
    x = 843,199.48

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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.