Home / 854,999.80-1,282,499.70-822,340.60

Finding the Fourth Proportional to 854,999.80, 1,282,499.70 and 822,340.60

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Solution

The fourth proportional to 854,999.80, 1,282,499.70 and 822,340.60 is: 1,233,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,999.80 : 1,282,499.70 = 822,340.60 : x
  2. Step 2: Convert to fraction form
    854,999.80/1,282,499.70 = 822,340.60/x
  3. Step 3: Cross multiply
    854,999.80x = 1,282,499.70 × 822,340.60
  4. Step 4: Simplify right side
    854,999.80x = 1,054,651,572,797.82
  5. Step 5: Solve for x
    x = 1,054,651,572,797.82/854,999.80
  6. Step 6: Final answer
    x = 1,233,510.90

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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.