Home / 896,619.20-1,345,663.20-889,620.80

Finding the Fourth Proportional to 896,619.20, 1,345,663.20 and 889,620.80

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Solution

The fourth proportional to 896,619.20, 1,345,663.20 and 889,620.80 is: 1,335,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,619.20 : 1,345,663.20 = 889,620.80 : x
  2. Step 2: Convert to fraction form
    896,619.20/1,345,663.20 = 889,620.80/x
  3. Step 3: Cross multiply
    896,619.20x = 1,345,663.20 × 889,620.80
  4. Step 4: Simplify right side
    896,619.20x = 1,197,129,972,514.56
  5. Step 5: Solve for x
    x = 1,197,129,972,514.56/896,619.20
  6. Step 6: Final answer
    x = 1,335,159.87

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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.