Home / 996,639.80-1,494,959.70-831,302.60

Finding the Fourth Proportional to 996,639.80, 1,494,959.70 and 831,302.60

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Solution

The fourth proportional to 996,639.80, 1,494,959.70 and 831,302.60 is: 1,246,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,639.80 : 1,494,959.70 = 831,302.60 : x
  2. Step 2: Convert to fraction form
    996,639.80/1,494,959.70 = 831,302.60/x
  3. Step 3: Cross multiply
    996,639.80x = 1,494,959.70 × 831,302.60
  4. Step 4: Simplify right side
    996,639.80x = 1,242,763,885,505.22
  5. Step 5: Solve for x
    x = 1,242,763,885,505.22/996,639.80
  6. Step 6: Final answer
    x = 1,246,953.90

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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.