Home / 1,260,010.89-1,738,850.90-687,082.50

Finding the Fourth Proportional to 1,260,010.89, 1,738,850.90 and 687,082.50

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Solution

The fourth proportional to 1,260,010.89, 1,738,850.90 and 687,082.50 is: 948,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,010.89 : 1,738,850.90 = 687,082.50 : x
  2. Step 2: Convert to fraction form
    1,260,010.89/1,738,850.90 = 687,082.50/x
  3. Step 3: Cross multiply
    1,260,010.89x = 1,738,850.90 × 687,082.50
  4. Step 4: Simplify right side
    1,260,010.89x = 1,194,734,020,063.84
  5. Step 5: Solve for x
    x = 1,194,734,020,063.84/1,260,010.89
  6. Step 6: Final answer
    x = 948,193.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.