Home / 1,241,004.75-1,861,511.98-820,187.07

Finding the Fourth Proportional to 1,241,004.75, 1,861,511.98 and 820,187.07

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Solution

The fourth proportional to 1,241,004.75, 1,861,511.98 and 820,187.07 is: 1,230,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,004.75 : 1,861,511.98 = 820,187.07 : x
  2. Step 2: Convert to fraction form
    1,241,004.75/1,861,511.98 = 820,187.07/x
  3. Step 3: Cross multiply
    1,241,004.75x = 1,861,511.98 × 820,187.07
  4. Step 4: Simplify right side
    1,241,004.75x = 1,526,788,056,646.10
  5. Step 5: Solve for x
    x = 1,526,788,056,646.10/1,241,004.75
  6. Step 6: Final answer
    x = 1,230,283.81

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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.