Home / 831,768.10-1,247,652.15-808,440.10

Finding the Fourth Proportional to 831,768.10, 1,247,652.15 and 808,440.10

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Solution

The fourth proportional to 831,768.10, 1,247,652.15 and 808,440.10 is: 1,212,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,768.10 : 1,247,652.15 = 808,440.10 : x
  2. Step 2: Convert to fraction form
    831,768.10/1,247,652.15 = 808,440.10/x
  3. Step 3: Cross multiply
    831,768.10x = 1,247,652.15 × 808,440.10
  4. Step 4: Simplify right side
    831,768.10x = 1,008,652,028,911.21
  5. Step 5: Solve for x
    x = 1,008,652,028,911.21/831,768.10
  6. Step 6: Final answer
    x = 1,212,660.15

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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.