Home / 1,681,429.06-2,320,428.09-917,524.54

Finding the Fourth Proportional to 1,681,429.06, 2,320,428.09 and 917,524.54

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Solution

The fourth proportional to 1,681,429.06, 2,320,428.09 and 917,524.54 is: 1,266,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,429.06 : 2,320,428.09 = 917,524.54 : x
  2. Step 2: Convert to fraction form
    1,681,429.06/2,320,428.09 = 917,524.54/x
  3. Step 3: Cross multiply
    1,681,429.06x = 2,320,428.09 × 917,524.54
  4. Step 4: Simplify right side
    1,681,429.06x = 2,129,049,715,880.33
  5. Step 5: Solve for x
    x = 2,129,049,715,880.33/1,681,429.06
  6. Step 6: Final answer
    x = 1,266,214.42

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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.