Home / 1,010,661.70-1,515,992.55-412,052.46

Finding the Fourth Proportional to 1,010,661.70, 1,515,992.55 and 412,052.46

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Solution

The fourth proportional to 1,010,661.70, 1,515,992.55 and 412,052.46 is: 618,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,661.70 : 1,515,992.55 = 412,052.46 : x
  2. Step 2: Convert to fraction form
    1,010,661.70/1,515,992.55 = 412,052.46/x
  3. Step 3: Cross multiply
    1,010,661.70x = 1,515,992.55 × 412,052.46
  4. Step 4: Simplify right side
    1,010,661.70x = 624,668,463,359.15
  5. Step 5: Solve for x
    x = 624,668,463,359.15/1,010,661.70
  6. Step 6: Final answer
    x = 618,078.69

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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.