Home / 1,040,095.40-1,560,288.90-408,862.40

Finding the Fourth Proportional to 1,040,095.40, 1,560,288.90 and 408,862.40

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Solution

The fourth proportional to 1,040,095.40, 1,560,288.90 and 408,862.40 is: 613,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,095.40 : 1,560,288.90 = 408,862.40 : x
  2. Step 2: Convert to fraction form
    1,040,095.40/1,560,288.90 = 408,862.40/x
  3. Step 3: Cross multiply
    1,040,095.40x = 1,560,288.90 × 408,862.40
  4. Step 4: Simplify right side
    1,040,095.40x = 637,943,464,347.36
  5. Step 5: Solve for x
    x = 637,943,464,347.36/1,040,095.40
  6. Step 6: Final answer
    x = 613,350.91

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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.