Home / 1,110,557.36-1,665,937.70-311,833.52

Finding the Fourth Proportional to 1,110,557.36, 1,665,937.70 and 311,833.52

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Solution

The fourth proportional to 1,110,557.36, 1,665,937.70 and 311,833.52 is: 467,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,557.36 : 1,665,937.70 = 311,833.52 : x
  2. Step 2: Convert to fraction form
    1,110,557.36/1,665,937.70 = 311,833.52/x
  3. Step 3: Cross multiply
    1,110,557.36x = 1,665,937.70 × 311,833.52
  4. Step 4: Simplify right side
    1,110,557.36x = 519,495,207,202.85
  5. Step 5: Solve for x
    x = 519,495,207,202.85/1,110,557.36
  6. Step 6: Final answer
    x = 467,778.82

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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.