Home / 1,339,820.09-2,008,600.37-581,090.10

Finding the Fourth Proportional to 1,339,820.09, 2,008,600.37 and 581,090.10

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Solution

The fourth proportional to 1,339,820.09, 2,008,600.37 and 581,090.10 is: 871,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,820.09 : 2,008,600.37 = 581,090.10 : x
  2. Step 2: Convert to fraction form
    1,339,820.09/2,008,600.37 = 581,090.10/x
  3. Step 3: Cross multiply
    1,339,820.09x = 2,008,600.37 × 581,090.10
  4. Step 4: Simplify right side
    1,339,820.09x = 1,167,177,792,903.10
  5. Step 5: Solve for x
    x = 1,167,177,792,903.10/1,339,820.09
  6. Step 6: Final answer
    x = 871,145.17

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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.