Home / 1,421,325.98-2,131,382.08-822,700.34

Finding the Fourth Proportional to 1,421,325.98, 2,131,382.08 and 822,700.34

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Solution

The fourth proportional to 1,421,325.98, 2,131,382.08 and 822,700.34 is: 1,233,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,325.98 : 2,131,382.08 = 822,700.34 : x
  2. Step 2: Convert to fraction form
    1,421,325.98/2,131,382.08 = 822,700.34/x
  3. Step 3: Cross multiply
    1,421,325.98x = 2,131,382.08 × 822,700.34
  4. Step 4: Simplify right side
    1,421,325.98x = 1,753,488,774,553.01
  5. Step 5: Solve for x
    x = 1,753,488,774,553.01/1,421,325.98
  6. Step 6: Final answer
    x = 1,233,699.23

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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.