Home / 1,087,580.73-1,631,360.70-661,234.26

Finding the Fourth Proportional to 1,087,580.73, 1,631,360.70 and 661,234.26

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Solution

The fourth proportional to 1,087,580.73, 1,631,360.70 and 661,234.26 is: 991,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,580.73 : 1,631,360.70 = 661,234.26 : x
  2. Step 2: Convert to fraction form
    1,087,580.73/1,631,360.70 = 661,234.26/x
  3. Step 3: Cross multiply
    1,087,580.73x = 1,631,360.70 × 661,234.26
  4. Step 4: Simplify right side
    1,087,580.73x = 1,078,711,585,257.58
  5. Step 5: Solve for x
    x = 1,078,711,585,257.58/1,087,580.73
  6. Step 6: Final answer
    x = 991,845.07

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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.