Home / 831,141.80-1,246,712.70-726,165.80

Finding the Fourth Proportional to 831,141.80, 1,246,712.70 and 726,165.80

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Solution

The fourth proportional to 831,141.80, 1,246,712.70 and 726,165.80 is: 1,089,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,141.80 : 1,246,712.70 = 726,165.80 : x
  2. Step 2: Convert to fraction form
    831,141.80/1,246,712.70 = 726,165.80/x
  3. Step 3: Cross multiply
    831,141.80x = 1,246,712.70 × 726,165.80
  4. Step 4: Simplify right side
    831,141.80x = 905,320,125,165.66
  5. Step 5: Solve for x
    x = 905,320,125,165.66/831,141.80
  6. Step 6: Final answer
    x = 1,089,248.70

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1.5x scale

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.