Home / 1,684,404.48-2,324,439.84-920,462.64

Finding the Fourth Proportional to 1,684,404.48, 2,324,439.84 and 920,462.64

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Solution

The fourth proportional to 1,684,404.48, 2,324,439.84 and 920,462.64 is: 1,270,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,404.48 : 2,324,439.84 = 920,462.64 : x
  2. Step 2: Convert to fraction form
    1,684,404.48/2,324,439.84 = 920,462.64/x
  3. Step 3: Cross multiply
    1,684,404.48x = 2,324,439.84 × 920,462.64
  4. Step 4: Simplify right side
    1,684,404.48x = 2,139,560,031,647.58
  5. Step 5: Solve for x
    x = 2,139,560,031,647.58/1,684,404.48
  6. Step 6: Final answer
    x = 1,270,217.49

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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.