Home / 1,311,201.21-1,966,938.51-501,584.06

Finding the Fourth Proportional to 1,311,201.21, 1,966,938.51 and 501,584.06

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Solution

The fourth proportional to 1,311,201.21, 1,966,938.51 and 501,584.06 is: 752,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,201.21 : 1,966,938.51 = 501,584.06 : x
  2. Step 2: Convert to fraction form
    1,311,201.21/1,966,938.51 = 501,584.06/x
  3. Step 3: Cross multiply
    1,311,201.21x = 1,966,938.51 × 501,584.06
  4. Step 4: Simplify right side
    1,311,201.21x = 986,584,998,121.07
  5. Step 5: Solve for x
    x = 986,584,998,121.07/1,311,201.21
  6. Step 6: Final answer
    x = 752,428.38

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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.