Home / 1,463,138.40-2,196,457.20-823,951.20

Finding the Fourth Proportional to 1,463,138.40, 2,196,457.20 and 823,951.20

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Solution

The fourth proportional to 1,463,138.40, 2,196,457.20 and 823,951.20 is: 1,236,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,138.40 : 2,196,457.20 = 823,951.20 : x
  2. Step 2: Convert to fraction form
    1,463,138.40/2,196,457.20 = 823,951.20/x
  3. Step 3: Cross multiply
    1,463,138.40x = 2,196,457.20 × 823,951.20
  4. Step 4: Simplify right side
    1,463,138.40x = 1,809,773,545,688.64
  5. Step 5: Solve for x
    x = 1,809,773,545,688.64/1,463,138.40
  6. Step 6: Final answer
    x = 1,236,912.07

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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.