Home / 1,263,844.87-1,744,117.52-719,972.60

Finding the Fourth Proportional to 1,263,844.87, 1,744,117.52 and 719,972.60

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Solution

The fourth proportional to 1,263,844.87, 1,744,117.52 and 719,972.60 is: 993,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,844.87 : 1,744,117.52 = 719,972.60 : x
  2. Step 2: Convert to fraction form
    1,263,844.87/1,744,117.52 = 719,972.60/x
  3. Step 3: Cross multiply
    1,263,844.87x = 1,744,117.52 × 719,972.60
  4. Step 4: Simplify right side
    1,263,844.87x = 1,255,716,821,980.09
  5. Step 5: Solve for x
    x = 1,255,716,821,980.09/1,263,844.87
  6. Step 6: Final answer
    x = 993,568.80

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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.