Home / 1,040,062.40-1,560,239.40-408,829.40

Finding the Fourth Proportional to 1,040,062.40, 1,560,239.40 and 408,829.40

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Solution

The fourth proportional to 1,040,062.40, 1,560,239.40 and 408,829.40 is: 613,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,062.40 : 1,560,239.40 = 408,829.40 : x
  2. Step 2: Convert to fraction form
    1,040,062.40/1,560,239.40 = 408,829.40/x
  3. Step 3: Cross multiply
    1,040,062.40x = 1,560,239.40 × 408,829.40
  4. Step 4: Simplify right side
    1,040,062.40x = 637,871,737,758.36
  5. Step 5: Solve for x
    x = 637,871,737,758.36/1,040,062.40
  6. Step 6: Final answer
    x = 613,301.41

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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.