Home / 1,449,809.40-2,174,714.10-919,680.60

Finding the Fourth Proportional to 1,449,809.40, 2,174,714.10 and 919,680.60

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Solution

The fourth proportional to 1,449,809.40, 2,174,714.10 and 919,680.60 is: 1,379,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,809.40 : 2,174,714.10 = 919,680.60 : x
  2. Step 2: Convert to fraction form
    1,449,809.40/2,174,714.10 = 919,680.60/x
  3. Step 3: Cross multiply
    1,449,809.40x = 2,174,714.10 × 919,680.60
  4. Step 4: Simplify right side
    1,449,809.40x = 2,000,042,368,316.46
  5. Step 5: Solve for x
    x = 2,000,042,368,316.46/1,449,809.40
  6. Step 6: Final answer
    x = 1,379,520.90

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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.