Home / 1,511,735.68-2,086,243.02-823,428.22

Finding the Fourth Proportional to 1,511,735.68, 2,086,243.02 and 823,428.22

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Solution

The fourth proportional to 1,511,735.68, 2,086,243.02 and 823,428.22 is: 1,136,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,735.68 : 2,086,243.02 = 823,428.22 : x
  2. Step 2: Convert to fraction form
    1,511,735.68/2,086,243.02 = 823,428.22/x
  3. Step 3: Cross multiply
    1,511,735.68x = 2,086,243.02 × 823,428.22
  4. Step 4: Simplify right side
    1,511,735.68x = 1,717,871,376,446.02
  5. Step 5: Solve for x
    x = 1,717,871,376,446.02/1,511,735.68
  6. Step 6: Final answer
    x = 1,136,356.97

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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.