Home / 989,120.20-1,481,930.70-849,152.20

Finding the Fourth Proportional to 989,120.20, 1,481,930.70 and 849,152.20

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Solution

The fourth proportional to 989,120.20, 1,481,930.70 and 849,152.20 is: 1,272,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,120.20 : 1,481,930.70 = 849,152.20 : x
  2. Step 2: Convert to fraction form
    989,120.20/1,481,930.70 = 849,152.20/x
  3. Step 3: Cross multiply
    989,120.20x = 1,481,930.70 × 849,152.20
  4. Step 4: Simplify right side
    989,120.20x = 1,258,384,714,152.54
  5. Step 5: Solve for x
    x = 1,258,384,714,152.54/989,120.20
  6. Step 6: Final answer
    x = 1,272,226.28

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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.