Home / 1,231,904.52-1,848,441.60-853,407.72

Finding the Fourth Proportional to 1,231,904.52, 1,848,441.60 and 853,407.72

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Solution

The fourth proportional to 1,231,904.52, 1,848,441.60 and 853,407.72 is: 1,280,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,904.52 : 1,848,441.60 = 853,407.72 : x
  2. Step 2: Convert to fraction form
    1,231,904.52/1,848,441.60 = 853,407.72/x
  3. Step 3: Cross multiply
    1,231,904.52x = 1,848,441.60 × 853,407.72
  4. Step 4: Simplify right side
    1,231,904.52x = 1,577,474,331,409.15
  5. Step 5: Solve for x
    x = 1,577,474,331,409.15/1,231,904.52
  6. Step 6: Final answer
    x = 1,280,516.72

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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.