Home / 1,005,111.62-1,507,852.14-331,232.66

Finding the Fourth Proportional to 1,005,111.62, 1,507,852.14 and 331,232.66

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Solution

The fourth proportional to 1,005,111.62, 1,507,852.14 and 331,232.66 is: 496,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,111.62 : 1,507,852.14 = 331,232.66 : x
  2. Step 2: Convert to fraction form
    1,005,111.62/1,507,852.14 = 331,232.66/x
  3. Step 3: Cross multiply
    1,005,111.62x = 1,507,852.14 × 331,232.66
  4. Step 4: Simplify right side
    1,005,111.62x = 499,449,875,218.89
  5. Step 5: Solve for x
    x = 499,449,875,218.89/1,005,111.62
  6. Step 6: Final answer
    x = 496,909.86

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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.