Home / 1,182,120.40-1,772,014.20-582,590.80

Finding the Fourth Proportional to 1,182,120.40, 1,772,014.20 and 582,590.80

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Solution

The fourth proportional to 1,182,120.40, 1,772,014.20 and 582,590.80 is: 873,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,120.40 : 1,772,014.20 = 582,590.80 : x
  2. Step 2: Convert to fraction form
    1,182,120.40/1,772,014.20 = 582,590.80/x
  3. Step 3: Cross multiply
    1,182,120.40x = 1,772,014.20 × 582,590.80
  4. Step 4: Simplify right side
    1,182,120.40x = 1,032,359,170,389.36
  5. Step 5: Solve for x
    x = 1,032,359,170,389.36/1,182,120.40
  6. Step 6: Final answer
    x = 873,311.36

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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.