Home / 896,620.20-1,345,664.70-889,621.80

Finding the Fourth Proportional to 896,620.20, 1,345,664.70 and 889,621.80

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Solution

The fourth proportional to 896,620.20, 1,345,664.70 and 889,621.80 is: 1,335,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,620.20 : 1,345,664.70 = 889,621.80 : x
  2. Step 2: Convert to fraction form
    896,620.20/1,345,664.70 = 889,621.80/x
  3. Step 3: Cross multiply
    896,620.20x = 1,345,664.70 × 889,621.80
  4. Step 4: Simplify right side
    896,620.20x = 1,197,132,652,610.46
  5. Step 5: Solve for x
    x = 1,197,132,652,610.46/896,620.20
  6. Step 6: Final answer
    x = 1,335,161.37

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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.