Home / 1,311,192.50-1,967,138.66-469,829.30

Finding the Fourth Proportional to 1,311,192.50, 1,967,138.66 and 469,829.30

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Solution

The fourth proportional to 1,311,192.50, 1,967,138.66 and 469,829.30 is: 704,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,192.50 : 1,967,138.66 = 469,829.30 : x
  2. Step 2: Convert to fraction form
    1,311,192.50/1,967,138.66 = 469,829.30/x
  3. Step 3: Cross multiply
    1,311,192.50x = 1,967,138.66 × 469,829.30
  4. Step 4: Simplify right side
    1,311,192.50x = 924,219,370,969.62
  5. Step 5: Solve for x
    x = 924,219,370,969.62/1,311,192.50
  6. Step 6: Final answer
    x = 704,869.33

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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.