Home / 1,296,720.84-1,789,401.96-723,797.94

Finding the Fourth Proportional to 1,296,720.84, 1,789,401.96 and 723,797.94

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Solution

The fourth proportional to 1,296,720.84, 1,789,401.96 and 723,797.94 is: 998,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,720.84 : 1,789,401.96 = 723,797.94 : x
  2. Step 2: Convert to fraction form
    1,296,720.84/1,789,401.96 = 723,797.94/x
  3. Step 3: Cross multiply
    1,296,720.84x = 1,789,401.96 × 723,797.94
  4. Step 4: Simplify right side
    1,296,720.84x = 1,295,165,452,479.96
  5. Step 5: Solve for x
    x = 1,295,165,452,479.96/1,296,720.84
  6. Step 6: Final answer
    x = 998,800.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.