Home / 1,289,383.80-1,934,075.70-329,837.55

Finding the Fourth Proportional to 1,289,383.80, 1,934,075.70 and 329,837.55

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Solution

The fourth proportional to 1,289,383.80, 1,934,075.70 and 329,837.55 is: 494,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,383.80 : 1,934,075.70 = 329,837.55 : x
  2. Step 2: Convert to fraction form
    1,289,383.80/1,934,075.70 = 329,837.55/x
  3. Step 3: Cross multiply
    1,289,383.80x = 1,934,075.70 × 329,837.55
  4. Step 4: Simplify right side
    1,289,383.80x = 637,930,790,402.54
  5. Step 5: Solve for x
    x = 637,930,790,402.54/1,289,383.80
  6. Step 6: Final answer
    x = 494,756.33

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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.