Home / 1,279,370.52-1,919,981.70-500,498.22

Finding the Fourth Proportional to 1,279,370.52, 1,919,981.70 and 500,498.22

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Solution

The fourth proportional to 1,279,370.52, 1,919,981.70 and 500,498.22 is: 751,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,370.52 : 1,919,981.70 = 500,498.22 : x
  2. Step 2: Convert to fraction form
    1,279,370.52/1,919,981.70 = 500,498.22/x
  3. Step 3: Cross multiply
    1,279,370.52x = 1,919,981.70 × 500,498.22
  4. Step 4: Simplify right side
    1,279,370.52x = 960,947,423,282.57
  5. Step 5: Solve for x
    x = 960,947,423,282.57/1,279,370.52
  6. Step 6: Final answer
    x = 751,109.56

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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.