Home / 1,543,719.60-2,313,611.10-743,277.60

Finding the Fourth Proportional to 1,543,719.60, 2,313,611.10 and 743,277.60

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Solution

The fourth proportional to 1,543,719.60, 2,313,611.10 and 743,277.60 is: 1,113,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,719.60 : 2,313,611.10 = 743,277.60 : x
  2. Step 2: Convert to fraction form
    1,543,719.60/2,313,611.10 = 743,277.60/x
  3. Step 3: Cross multiply
    1,543,719.60x = 2,313,611.10 × 743,277.60
  4. Step 4: Simplify right side
    1,543,719.60x = 1,719,655,305,741.36
  5. Step 5: Solve for x
    x = 1,719,655,305,741.36/1,543,719.60
  6. Step 6: Final answer
    x = 1,113,968.69

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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.