Home / 831,795.60-1,247,693.40-744,704.40

Finding the Fourth Proportional to 831,795.60, 1,247,693.40 and 744,704.40

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Solution

The fourth proportional to 831,795.60, 1,247,693.40 and 744,704.40 is: 1,117,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,795.60 : 1,247,693.40 = 744,704.40 : x
  2. Step 2: Convert to fraction form
    831,795.60/1,247,693.40 = 744,704.40/x
  3. Step 3: Cross multiply
    831,795.60x = 1,247,693.40 × 744,704.40
  4. Step 4: Simplify right side
    831,795.60x = 929,162,764,830.96
  5. Step 5: Solve for x
    x = 929,162,764,830.96/831,795.60
  6. Step 6: Final answer
    x = 1,117,056.60

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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.