Home / 1,443,317.11-1,991,728.23-798,764.47

Finding the Fourth Proportional to 1,443,317.11, 1,991,728.23 and 798,764.47

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Solution

The fourth proportional to 1,443,317.11, 1,991,728.23 and 798,764.47 is: 1,102,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,317.11 : 1,991,728.23 = 798,764.47 : x
  2. Step 2: Convert to fraction form
    1,443,317.11/1,991,728.23 = 798,764.47/x
  3. Step 3: Cross multiply
    1,443,317.11x = 1,991,728.23 × 798,764.47
  4. Step 4: Simplify right side
    1,443,317.11x = 1,590,921,744,019.99
  5. Step 5: Solve for x
    x = 1,590,921,744,019.99/1,443,317.11
  6. Step 6: Final answer
    x = 1,102,267.64

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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.