Home / 1,101,021.48-1,651,135.86-381,167.64

Finding the Fourth Proportional to 1,101,021.48, 1,651,135.86 and 381,167.64

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Solution

The fourth proportional to 1,101,021.48, 1,651,135.86 and 381,167.64 is: 571,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,021.48 : 1,651,135.86 = 381,167.64 : x
  2. Step 2: Convert to fraction form
    1,101,021.48/1,651,135.86 = 381,167.64/x
  3. Step 3: Cross multiply
    1,101,021.48x = 1,651,135.86 × 381,167.64
  4. Step 4: Simplify right side
    1,101,021.48x = 629,359,559,075.57
  5. Step 5: Solve for x
    x = 629,359,559,075.57/1,101,021.48
  6. Step 6: Final answer
    x = 571,614.24

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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.