Home / 998,861.36-1,498,096.56-831,457.04

Finding the Fourth Proportional to 998,861.36, 1,498,096.56 and 831,457.04

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Solution

The fourth proportional to 998,861.36, 1,498,096.56 and 831,457.04 is: 1,247,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,861.36 : 1,498,096.56 = 831,457.04 : x
  2. Step 2: Convert to fraction form
    998,861.36/1,498,096.56 = 831,457.04/x
  3. Step 3: Cross multiply
    998,861.36x = 1,498,096.56 × 831,457.04
  4. Step 4: Simplify right side
    998,861.36x = 1,245,602,931,411.78
  5. Step 5: Solve for x
    x = 1,245,602,931,411.78/998,861.36
  6. Step 6: Final answer
    x = 1,247,022.84

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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.