Home / 1,421,923.30-2,133,806.55-822,883.30

Finding the Fourth Proportional to 1,421,923.30, 2,133,806.55 and 822,883.30

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Solution

The fourth proportional to 1,421,923.30, 2,133,806.55 and 822,883.30 is: 1,234,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,923.30 : 2,133,806.55 = 822,883.30 : x
  2. Step 2: Convert to fraction form
    1,421,923.30/2,133,806.55 = 822,883.30/x
  3. Step 3: Cross multiply
    1,421,923.30x = 2,133,806.55 × 822,883.30
  4. Step 4: Simplify right side
    1,421,923.30x = 1,755,873,775,425.62
  5. Step 5: Solve for x
    x = 1,755,873,775,425.62/1,421,923.30
  6. Step 6: Final answer
    x = 1,234,858.29

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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.