Home / 1,326,246.06-1,989,757.20-427,669.58

Finding the Fourth Proportional to 1,326,246.06, 1,989,757.20 and 427,669.58

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Solution

The fourth proportional to 1,326,246.06, 1,989,757.20 and 427,669.58 is: 641,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,246.06 : 1,989,757.20 = 427,669.58 : x
  2. Step 2: Convert to fraction form
    1,326,246.06/1,989,757.20 = 427,669.58/x
  3. Step 3: Cross multiply
    1,326,246.06x = 1,989,757.20 × 427,669.58
  4. Step 4: Simplify right side
    1,326,246.06x = 850,958,626,025.98
  5. Step 5: Solve for x
    x = 850,958,626,025.98/1,326,246.06
  6. Step 6: Final answer
    x = 641,629.52

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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.