Home / 1,096,989.80-1,645,484.70-831,269.30

Finding the Fourth Proportional to 1,096,989.80, 1,645,484.70 and 831,269.30

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Solution

The fourth proportional to 1,096,989.80, 1,645,484.70 and 831,269.30 is: 1,246,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,989.80 : 1,645,484.70 = 831,269.30 : x
  2. Step 2: Convert to fraction form
    1,096,989.80/1,645,484.70 = 831,269.30/x
  3. Step 3: Cross multiply
    1,096,989.80x = 1,645,484.70 × 831,269.30
  4. Step 4: Simplify right side
    1,096,989.80x = 1,367,840,914,729.71
  5. Step 5: Solve for x
    x = 1,367,840,914,729.71/1,096,989.80
  6. Step 6: Final answer
    x = 1,246,903.95

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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.