Home / 1,005,115.26-1,507,895.24-331,169.34

Finding the Fourth Proportional to 1,005,115.26, 1,507,895.24 and 331,169.34

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Solution

The fourth proportional to 1,005,115.26, 1,507,895.24 and 331,169.34 is: 496,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,115.26 : 1,507,895.24 = 331,169.34 : x
  2. Step 2: Convert to fraction form
    1,005,115.26/1,507,895.24 = 331,169.34/x
  3. Step 3: Cross multiply
    1,005,115.26x = 1,507,895.24 × 331,169.34
  4. Step 4: Simplify right side
    1,005,115.26x = 499,368,671,419.94
  5. Step 5: Solve for x
    x = 499,368,671,419.94/1,005,115.26
  6. Step 6: Final answer
    x = 496,827.27

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1.5x scale

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.