Home / 1,423,803.32-1,964,939.82-820,180.92

Finding the Fourth Proportional to 1,423,803.32, 1,964,939.82 and 820,180.92

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Solution

The fourth proportional to 1,423,803.32, 1,964,939.82 and 820,180.92 is: 1,131,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,803.32 : 1,964,939.82 = 820,180.92 : x
  2. Step 2: Convert to fraction form
    1,423,803.32/1,964,939.82 = 820,180.92/x
  3. Step 3: Cross multiply
    1,423,803.32x = 1,964,939.82 × 820,180.92
  4. Step 4: Simplify right side
    1,423,803.32x = 1,611,606,149,312.23
  5. Step 5: Solve for x
    x = 1,611,606,149,312.23/1,423,803.32
  6. Step 6: Final answer
    x = 1,131,902.23

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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.