Home / 1,423,802.32-1,964,938.44-820,179.92

Finding the Fourth Proportional to 1,423,802.32, 1,964,938.44 and 820,179.92

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Solution

The fourth proportional to 1,423,802.32, 1,964,938.44 and 820,179.92 is: 1,131,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,802.32 : 1,964,938.44 = 820,179.92 : x
  2. Step 2: Convert to fraction form
    1,423,802.32/1,964,938.44 = 820,179.92/x
  3. Step 3: Cross multiply
    1,423,802.32x = 1,964,938.44 × 820,179.92
  4. Step 4: Simplify right side
    1,423,802.32x = 1,611,603,052,524.12
  5. Step 5: Solve for x
    x = 1,611,603,052,524.12/1,423,802.32
  6. Step 6: Final answer
    x = 1,131,900.85

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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.