Home / 747,806.80-1,121,710.20-673,157.20

Finding the Fourth Proportional to 747,806.80, 1,121,710.20 and 673,157.20

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Solution

The fourth proportional to 747,806.80, 1,121,710.20 and 673,157.20 is: 1,009,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,806.80 : 1,121,710.20 = 673,157.20 : x
  2. Step 2: Convert to fraction form
    747,806.80/1,121,710.20 = 673,157.20/x
  3. Step 3: Cross multiply
    747,806.80x = 1,121,710.20 × 673,157.20
  4. Step 4: Simplify right side
    747,806.80x = 755,087,297,443.44
  5. Step 5: Solve for x
    x = 755,087,297,443.44/747,806.80
  6. Step 6: Final answer
    x = 1,009,735.80

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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.