Home / 1,100,072.38-1,650,109.86-301,360.78

Finding the Fourth Proportional to 1,100,072.38, 1,650,109.86 and 301,360.78

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Solution

The fourth proportional to 1,100,072.38, 1,650,109.86 and 301,360.78 is: 452,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,072.38 : 1,650,109.86 = 301,360.78 : x
  2. Step 2: Convert to fraction form
    1,100,072.38/1,650,109.86 = 301,360.78/x
  3. Step 3: Cross multiply
    1,100,072.38x = 1,650,109.86 × 301,360.78
  4. Step 4: Simplify right side
    1,100,072.38x = 497,278,394,495.29
  5. Step 5: Solve for x
    x = 497,278,394,495.29/1,100,072.38
  6. Step 6: Final answer
    x = 452,041.52

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1.5x scale

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.