Home / 1,265,864.96-1,898,795.52-379,400.96

Finding the Fourth Proportional to 1,265,864.96, 1,898,795.52 and 379,400.96

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Solution

The fourth proportional to 1,265,864.96, 1,898,795.52 and 379,400.96 is: 569,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,864.96 : 1,898,795.52 = 379,400.96 : x
  2. Step 2: Convert to fraction form
    1,265,864.96/1,898,795.52 = 379,400.96/x
  3. Step 3: Cross multiply
    1,265,864.96x = 1,898,795.52 × 379,400.96
  4. Step 4: Simplify right side
    1,265,864.96x = 720,404,843,131.70
  5. Step 5: Solve for x
    x = 720,404,843,131.70/1,265,864.96
  6. Step 6: Final answer
    x = 569,100.86

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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.