Home / 1,107,507.70-1,661,630.10-397,591.30

Finding the Fourth Proportional to 1,107,507.70, 1,661,630.10 and 397,591.30

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Solution

The fourth proportional to 1,107,507.70, 1,661,630.10 and 397,591.30 is: 596,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,507.70 : 1,661,630.10 = 397,591.30 : x
  2. Step 2: Convert to fraction form
    1,107,507.70/1,661,630.10 = 397,591.30/x
  3. Step 3: Cross multiply
    1,107,507.70x = 1,661,630.10 × 397,591.30
  4. Step 4: Simplify right side
    1,107,507.70x = 660,649,671,578.13
  5. Step 5: Solve for x
    x = 660,649,671,578.13/1,107,507.70
  6. Step 6: Final answer
    x = 596,519.26

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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.