Home / 1,040,124.40-1,560,332.40-408,891.40

Finding the Fourth Proportional to 1,040,124.40, 1,560,332.40 and 408,891.40

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Solution

The fourth proportional to 1,040,124.40, 1,560,332.40 and 408,891.40 is: 613,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,124.40 : 1,560,332.40 = 408,891.40 : x
  2. Step 2: Convert to fraction form
    1,040,124.40/1,560,332.40 = 408,891.40/x
  3. Step 3: Cross multiply
    1,040,124.40x = 1,560,332.40 × 408,891.40
  4. Step 4: Simplify right side
    1,040,124.40x = 638,006,499,501.36
  5. Step 5: Solve for x
    x = 638,006,499,501.36/1,040,124.40
  6. Step 6: Final answer
    x = 613,394.42

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1.5x scale

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.