Home / 1,051,535.96-1,451,148.72-643,629.68

Finding the Fourth Proportional to 1,051,535.96, 1,451,148.72 and 643,629.68

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Solution

The fourth proportional to 1,051,535.96, 1,451,148.72 and 643,629.68 is: 888,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,535.96 : 1,451,148.72 = 643,629.68 : x
  2. Step 2: Convert to fraction form
    1,051,535.96/1,451,148.72 = 643,629.68/x
  3. Step 3: Cross multiply
    1,051,535.96x = 1,451,148.72 × 643,629.68
  4. Step 4: Simplify right side
    1,051,535.96x = 934,002,386,286.01
  5. Step 5: Solve for x
    x = 934,002,386,286.01/1,051,535.96
  6. Step 6: Final answer
    x = 888,226.77

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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.