Home / 1,022,406.57-1,533,613.50-312,431.65

Finding the Fourth Proportional to 1,022,406.57, 1,533,613.50 and 312,431.65

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Solution

The fourth proportional to 1,022,406.57, 1,533,613.50 and 312,431.65 is: 468,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,406.57 : 1,533,613.50 = 312,431.65 : x
  2. Step 2: Convert to fraction form
    1,022,406.57/1,533,613.50 = 312,431.65/x
  3. Step 3: Cross multiply
    1,022,406.57x = 1,533,613.50 × 312,431.65
  4. Step 4: Simplify right side
    1,022,406.57x = 479,149,392,433.24
  5. Step 5: Solve for x
    x = 479,149,392,433.24/1,022,406.57
  6. Step 6: Final answer
    x = 468,648.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.