Home / 1,254,748.69-1,882,119.25-356,191.21

Finding the Fourth Proportional to 1,254,748.69, 1,882,119.25 and 356,191.21

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Solution

The fourth proportional to 1,254,748.69, 1,882,119.25 and 356,191.21 is: 534,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,748.69 : 1,882,119.25 = 356,191.21 : x
  2. Step 2: Convert to fraction form
    1,254,748.69/1,882,119.25 = 356,191.21/x
  3. Step 3: Cross multiply
    1,254,748.69x = 1,882,119.25 × 356,191.21
  4. Step 4: Simplify right side
    1,254,748.69x = 670,394,333,021.79
  5. Step 5: Solve for x
    x = 670,394,333,021.79/1,254,748.69
  6. Step 6: Final answer
    x = 534,285.74

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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.