Home / 1,442,844.84-2,162,196.90-810,427.62

Finding the Fourth Proportional to 1,442,844.84, 2,162,196.90 and 810,427.62

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Solution

The fourth proportional to 1,442,844.84, 2,162,196.90 and 810,427.62 is: 1,214,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,844.84 : 2,162,196.90 = 810,427.62 : x
  2. Step 2: Convert to fraction form
    1,442,844.84/2,162,196.90 = 810,427.62/x
  3. Step 3: Cross multiply
    1,442,844.84x = 2,162,196.90 × 810,427.62
  4. Step 4: Simplify right side
    1,442,844.84x = 1,752,304,087,638.38
  5. Step 5: Solve for x
    x = 1,752,304,087,638.38/1,442,844.84
  6. Step 6: Final answer
    x = 1,214,478.54

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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.