Home / 1,333,861.60-1,999,431.60-658,904.80

Finding the Fourth Proportional to 1,333,861.60, 1,999,431.60 and 658,904.80

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Solution

The fourth proportional to 1,333,861.60, 1,999,431.60 and 658,904.80 is: 987,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,861.60 : 1,999,431.60 = 658,904.80 : x
  2. Step 2: Convert to fraction form
    1,333,861.60/1,999,431.60 = 658,904.80/x
  3. Step 3: Cross multiply
    1,333,861.60x = 1,999,431.60 × 658,904.80
  4. Step 4: Simplify right side
    1,333,861.60x = 1,317,435,078,511.68
  5. Step 5: Solve for x
    x = 1,317,435,078,511.68/1,333,861.60
  6. Step 6: Final answer
    x = 987,684.99

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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.