Home / 854,782.80-1,282,174.20-772,114.20

Finding the Fourth Proportional to 854,782.80, 1,282,174.20 and 772,114.20

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Solution

The fourth proportional to 854,782.80, 1,282,174.20 and 772,114.20 is: 1,158,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,782.80 : 1,282,174.20 = 772,114.20 : x
  2. Step 2: Convert to fraction form
    854,782.80/1,282,174.20 = 772,114.20/x
  3. Step 3: Cross multiply
    854,782.80x = 1,282,174.20 × 772,114.20
  4. Step 4: Simplify right side
    854,782.80x = 989,984,906,693.64
  5. Step 5: Solve for x
    x = 989,984,906,693.64/854,782.80
  6. Step 6: Final answer
    x = 1,158,171.30

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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.