Home / 1,207,864.50-1,811,749.45-409,146.04

Finding the Fourth Proportional to 1,207,864.50, 1,811,749.45 and 409,146.04

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Solution

The fourth proportional to 1,207,864.50, 1,811,749.45 and 409,146.04 is: 613,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,864.50 : 1,811,749.45 = 409,146.04 : x
  2. Step 2: Convert to fraction form
    1,207,864.50/1,811,749.45 = 409,146.04/x
  3. Step 3: Cross multiply
    1,207,864.50x = 1,811,749.45 × 409,146.04
  4. Step 4: Simplify right side
    1,207,864.50x = 741,270,103,880.93
  5. Step 5: Solve for x
    x = 741,270,103,880.93/1,207,864.50
  6. Step 6: Final answer
    x = 613,703.03

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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.