Home / 1,969,050.80-2,952,701.40-770,574.80

Finding the Fourth Proportional to 1,969,050.80, 2,952,701.40 and 770,574.80

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Solution

The fourth proportional to 1,969,050.80, 2,952,701.40 and 770,574.80 is: 1,155,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,050.80 : 2,952,701.40 = 770,574.80 : x
  2. Step 2: Convert to fraction form
    1,969,050.80/2,952,701.40 = 770,574.80/x
  3. Step 3: Cross multiply
    1,969,050.80x = 2,952,701.40 × 770,574.80
  4. Step 4: Simplify right side
    1,969,050.80x = 2,275,277,290,764.72
  5. Step 5: Solve for x
    x = 2,275,277,290,764.72/1,969,050.80
  6. Step 6: Final answer
    x = 1,155,519.85

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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.