Home / 1,415,020.32-1,952,763.03-770,475.78

Finding the Fourth Proportional to 1,415,020.32, 1,952,763.03 and 770,475.78

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Solution

The fourth proportional to 1,415,020.32, 1,952,763.03 and 770,475.78 is: 1,063,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,020.32 : 1,952,763.03 = 770,475.78 : x
  2. Step 2: Convert to fraction form
    1,415,020.32/1,952,763.03 = 770,475.78/x
  3. Step 3: Cross multiply
    1,415,020.32x = 1,952,763.03 × 770,475.78
  4. Step 4: Simplify right side
    1,415,020.32x = 1,504,556,618,694.41
  5. Step 5: Solve for x
    x = 1,504,556,618,694.41/1,415,020.32
  6. Step 6: Final answer
    x = 1,063,275.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.