Home / 1,507,738.86-2,080,644.57-819,394.38

Finding the Fourth Proportional to 1,507,738.86, 2,080,644.57 and 819,394.38

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Solution

The fourth proportional to 1,507,738.86, 2,080,644.57 and 819,394.38 is: 1,130,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,738.86 : 2,080,644.57 = 819,394.38 : x
  2. Step 2: Convert to fraction form
    1,507,738.86/2,080,644.57 = 819,394.38/x
  3. Step 3: Cross multiply
    1,507,738.86x = 2,080,644.57 × 819,394.38
  4. Step 4: Simplify right side
    1,507,738.86x = 1,704,868,467,435.52
  5. Step 5: Solve for x
    x = 1,704,868,467,435.52/1,507,738.86
  6. Step 6: Final answer
    x = 1,130,745.19

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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.