Home / 1,107,459.36-1,661,270.45-397,493.55

Finding the Fourth Proportional to 1,107,459.36, 1,661,270.45 and 397,493.55

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Solution

The fourth proportional to 1,107,459.36, 1,661,270.45 and 397,493.55 is: 596,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,459.36 : 1,661,270.45 = 397,493.55 : x
  2. Step 2: Convert to fraction form
    1,107,459.36/1,661,270.45 = 397,493.55/x
  3. Step 3: Cross multiply
    1,107,459.36x = 1,661,270.45 × 397,493.55
  4. Step 4: Simplify right side
    1,107,459.36x = 660,344,286,693.13
  5. Step 5: Solve for x
    x = 660,344,286,693.13/1,107,459.36
  6. Step 6: Final answer
    x = 596,269.54

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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.