Home / 1,220,311.82-1,684,092.12-703,873.64

Finding the Fourth Proportional to 1,220,311.82, 1,684,092.12 and 703,873.64

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Solution

The fourth proportional to 1,220,311.82, 1,684,092.12 and 703,873.64 is: 971,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,311.82 : 1,684,092.12 = 703,873.64 : x
  2. Step 2: Convert to fraction form
    1,220,311.82/1,684,092.12 = 703,873.64/x
  3. Step 3: Cross multiply
    1,220,311.82x = 1,684,092.12 × 703,873.64
  4. Step 4: Simplify right side
    1,220,311.82x = 1,185,388,050,599.72
  5. Step 5: Solve for x
    x = 1,185,388,050,599.72/1,220,311.82
  6. Step 6: Final answer
    x = 971,381.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.