Home / 1,040,039.20-1,560,231.60-408,973.60

Finding the Fourth Proportional to 1,040,039.20, 1,560,231.60 and 408,973.60

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Solution

The fourth proportional to 1,040,039.20, 1,560,231.60 and 408,973.60 is: 613,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,039.20 : 1,560,231.60 = 408,973.60 : x
  2. Step 2: Convert to fraction form
    1,040,039.20/1,560,231.60 = 408,973.60/x
  3. Step 3: Cross multiply
    1,040,039.20x = 1,560,231.60 × 408,973.60
  4. Step 4: Simplify right side
    1,040,039.20x = 638,093,534,285.76
  5. Step 5: Solve for x
    x = 638,093,534,285.76/1,040,039.20
  6. Step 6: Final answer
    x = 613,528.35

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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.