Home / 1,105,728.76-1,526,376.50-743,362.79

Finding the Fourth Proportional to 1,105,728.76, 1,526,376.50 and 743,362.79

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Solution

The fourth proportional to 1,105,728.76, 1,526,376.50 and 743,362.79 is: 1,026,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,728.76 : 1,526,376.50 = 743,362.79 : x
  2. Step 2: Convert to fraction form
    1,105,728.76/1,526,376.50 = 743,362.79/x
  3. Step 3: Cross multiply
    1,105,728.76x = 1,526,376.50 × 743,362.79
  4. Step 4: Simplify right side
    1,105,728.76x = 1,134,651,493,630.44
  5. Step 5: Solve for x
    x = 1,134,651,493,630.44/1,105,728.76
  6. Step 6: Final answer
    x = 1,026,157.17

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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.