Home / 1,099,715.86-1,649,169.19-379,874.39

Finding the Fourth Proportional to 1,099,715.86, 1,649,169.19 and 379,874.39

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Solution

The fourth proportional to 1,099,715.86, 1,649,169.19 and 379,874.39 is: 569,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,715.86 : 1,649,169.19 = 379,874.39 : x
  2. Step 2: Convert to fraction form
    1,099,715.86/1,649,169.19 = 379,874.39/x
  3. Step 3: Cross multiply
    1,099,715.86x = 1,649,169.19 × 379,874.39
  4. Step 4: Simplify right side
    1,099,715.86x = 626,477,132,287.04
  5. Step 5: Solve for x
    x = 626,477,132,287.04/1,099,715.86
  6. Step 6: Final answer
    x = 569,671.82

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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.