Home / 1,263,688.92-1,743,902.52-719,816.88

Finding the Fourth Proportional to 1,263,688.92, 1,743,902.52 and 719,816.88

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Solution

The fourth proportional to 1,263,688.92, 1,743,902.52 and 719,816.88 is: 993,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,688.92 : 1,743,902.52 = 719,816.88 : x
  2. Step 2: Convert to fraction form
    1,263,688.92/1,743,902.52 = 719,816.88/x
  3. Step 3: Cross multiply
    1,263,688.92x = 1,743,902.52 × 719,816.88
  4. Step 4: Simplify right side
    1,263,688.92x = 1,255,290,470,062.58
  5. Step 5: Solve for x
    x = 1,255,290,470,062.58/1,263,688.92
  6. Step 6: Final answer
    x = 993,354.02

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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.