Home / 1,327,770.14-1,988,292.01-823,316.38

Finding the Fourth Proportional to 1,327,770.14, 1,988,292.01 and 823,316.38

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Solution

The fourth proportional to 1,327,770.14, 1,988,292.01 and 823,316.38 is: 1,232,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,770.14 : 1,988,292.01 = 823,316.38 : x
  2. Step 2: Convert to fraction form
    1,327,770.14/1,988,292.01 = 823,316.38/x
  3. Step 3: Cross multiply
    1,327,770.14x = 1,988,292.01 × 823,316.38
  4. Step 4: Simplify right side
    1,327,770.14x = 1,636,993,376,114.54
  5. Step 5: Solve for x
    x = 1,636,993,376,114.54/1,327,770.14
  6. Step 6: Final answer
    x = 1,232,889.13

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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.