Home / 1,208,294.66-1,811,309.60-409,016.90

Finding the Fourth Proportional to 1,208,294.66, 1,811,309.60 and 409,016.90

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Solution

The fourth proportional to 1,208,294.66, 1,811,309.60 and 409,016.90 is: 613,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,294.66 : 1,811,309.60 = 409,016.90 : x
  2. Step 2: Convert to fraction form
    1,208,294.66/1,811,309.60 = 409,016.90/x
  3. Step 3: Cross multiply
    1,208,294.66x = 1,811,309.60 × 409,016.90
  4. Step 4: Simplify right side
    1,208,294.66x = 740,856,237,532.24
  5. Step 5: Solve for x
    x = 740,856,237,532.24/1,208,294.66
  6. Step 6: Final answer
    x = 613,142.03

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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.