Home / 747,794.80-1,121,692.20-673,145.20

Finding the Fourth Proportional to 747,794.80, 1,121,692.20 and 673,145.20

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Solution

The fourth proportional to 747,794.80, 1,121,692.20 and 673,145.20 is: 1,009,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,794.80 : 1,121,692.20 = 673,145.20 : x
  2. Step 2: Convert to fraction form
    747,794.80/1,121,692.20 = 673,145.20/x
  3. Step 3: Cross multiply
    747,794.80x = 1,121,692.20 × 673,145.20
  4. Step 4: Simplify right side
    747,794.80x = 755,061,720,307.44
  5. Step 5: Solve for x
    x = 755,061,720,307.44/747,794.80
  6. Step 6: Final answer
    x = 1,009,717.80

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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.