Home / 1,132,737.09-1,698,919.78-311,884.22

Finding the Fourth Proportional to 1,132,737.09, 1,698,919.78 and 311,884.22

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Solution

The fourth proportional to 1,132,737.09, 1,698,919.78 and 311,884.22 is: 467,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,737.09 : 1,698,919.78 = 311,884.22 : x
  2. Step 2: Convert to fraction form
    1,132,737.09/1,698,919.78 = 311,884.22/x
  3. Step 3: Cross multiply
    1,132,737.09x = 1,698,919.78 × 311,884.22
  4. Step 4: Simplify right side
    1,132,737.09x = 529,866,260,373.85
  5. Step 5: Solve for x
    x = 529,866,260,373.85/1,132,737.09
  6. Step 6: Final answer
    x = 467,775.15

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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.