Home / 1,138,228.74-1,707,474.33-380,170.80

Finding the Fourth Proportional to 1,138,228.74, 1,707,474.33 and 380,170.80

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Solution

The fourth proportional to 1,138,228.74, 1,707,474.33 and 380,170.80 is: 570,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,228.74 : 1,707,474.33 = 380,170.80 : x
  2. Step 2: Convert to fraction form
    1,138,228.74/1,707,474.33 = 380,170.80/x
  3. Step 3: Cross multiply
    1,138,228.74x = 1,707,474.33 × 380,170.80
  4. Step 4: Simplify right side
    1,138,228.74x = 649,131,882,015.56
  5. Step 5: Solve for x
    x = 649,131,882,015.56/1,138,228.74
  6. Step 6: Final answer
    x = 570,300.03

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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.