Home / 780,147.23-1,170,220.85-780,147.23

Finding the Fourth Proportional to 780,147.23, 1,170,220.85 and 780,147.23

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Solution

The fourth proportional to 780,147.23, 1,170,220.85 and 780,147.23 is: 1,170,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,147.23 : 1,170,220.85 = 780,147.23 : x
  2. Step 2: Convert to fraction form
    780,147.23/1,170,220.85 = 780,147.23/x
  3. Step 3: Cross multiply
    780,147.23x = 1,170,220.85 × 780,147.23
  4. Step 4: Simplify right side
    780,147.23x = 912,944,544,863.91
  5. Step 5: Solve for x
    x = 912,944,544,863.91/780,147.23
  6. Step 6: Final answer
    x = 1,170,220.85

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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.