Home / 1,192,362.92-1,788,503.31-339,439.80

Finding the Fourth Proportional to 1,192,362.92, 1,788,503.31 and 339,439.80

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Solution

The fourth proportional to 1,192,362.92, 1,788,503.31 and 339,439.80 is: 509,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,362.92 : 1,788,503.31 = 339,439.80 : x
  2. Step 2: Convert to fraction form
    1,192,362.92/1,788,503.31 = 339,439.80/x
  3. Step 3: Cross multiply
    1,192,362.92x = 1,788,503.31 × 339,439.80
  4. Step 4: Simplify right side
    1,192,362.92x = 607,089,205,845.74
  5. Step 5: Solve for x
    x = 607,089,205,845.74/1,192,362.92
  6. Step 6: Final answer
    x = 509,148.01

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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.