Home / 1,296,809.70-1,944,048.15-823,251.30

Finding the Fourth Proportional to 1,296,809.70, 1,944,048.15 and 823,251.30

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Solution

The fourth proportional to 1,296,809.70, 1,944,048.15 and 823,251.30 is: 1,234,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,809.70 : 1,944,048.15 = 823,251.30 : x
  2. Step 2: Convert to fraction form
    1,296,809.70/1,944,048.15 = 823,251.30/x
  3. Step 3: Cross multiply
    1,296,809.70x = 1,944,048.15 × 823,251.30
  4. Step 4: Simplify right side
    1,296,809.70x = 1,600,440,166,750.10
  5. Step 5: Solve for x
    x = 1,600,440,166,750.10/1,296,809.70
  6. Step 6: Final answer
    x = 1,234,136.49

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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.