Home / 1,005,906.24-1,388,179.68-553,226.40

Finding the Fourth Proportional to 1,005,906.24, 1,388,179.68 and 553,226.40

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Solution

The fourth proportional to 1,005,906.24, 1,388,179.68 and 553,226.40 is: 763,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,906.24 : 1,388,179.68 = 553,226.40 : x
  2. Step 2: Convert to fraction form
    1,005,906.24/1,388,179.68 = 553,226.40/x
  3. Step 3: Cross multiply
    1,005,906.24x = 1,388,179.68 × 553,226.40
  4. Step 4: Simplify right side
    1,005,906.24x = 767,977,646,919.55
  5. Step 5: Solve for x
    x = 767,977,646,919.55/1,005,906.24
  6. Step 6: Final answer
    x = 763,468.42

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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.