Home / 1,453,784.85-2,180,676.75-388,799.22

Finding the Fourth Proportional to 1,453,784.85, 2,180,676.75 and 388,799.22

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Solution

The fourth proportional to 1,453,784.85, 2,180,676.75 and 388,799.22 is: 583,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,784.85 : 2,180,676.75 = 388,799.22 : x
  2. Step 2: Convert to fraction form
    1,453,784.85/2,180,676.75 = 388,799.22/x
  3. Step 3: Cross multiply
    1,453,784.85x = 2,180,676.75 × 388,799.22
  4. Step 4: Simplify right side
    1,453,784.85x = 847,845,419,472.14
  5. Step 5: Solve for x
    x = 847,845,419,472.14/1,453,784.85
  6. Step 6: Final answer
    x = 583,198.69

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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.