Home / 1,443,281.32-1,991,679.18-798,728.68

Finding the Fourth Proportional to 1,443,281.32, 1,991,679.18 and 798,728.68

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Solution

The fourth proportional to 1,443,281.32, 1,991,679.18 and 798,728.68 is: 1,102,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,281.32 : 1,991,679.18 = 798,728.68 : x
  2. Step 2: Convert to fraction form
    1,443,281.32/1,991,679.18 = 798,728.68/x
  3. Step 3: Cross multiply
    1,443,281.32x = 1,991,679.18 × 798,728.68
  4. Step 4: Simplify right side
    1,443,281.32x = 1,590,811,282,424.88
  5. Step 5: Solve for x
    x = 1,590,811,282,424.88/1,443,281.32
  6. Step 6: Final answer
    x = 1,102,218.44

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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.