Home / 1,005,112.26-1,507,890.74-331,166.34

Finding the Fourth Proportional to 1,005,112.26, 1,507,890.74 and 331,166.34

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Solution

The fourth proportional to 1,005,112.26, 1,507,890.74 and 331,166.34 is: 496,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,112.26 : 1,507,890.74 = 331,166.34 : x
  2. Step 2: Convert to fraction form
    1,005,112.26/1,507,890.74 = 331,166.34/x
  3. Step 3: Cross multiply
    1,005,112.26x = 1,507,890.74 × 331,166.34
  4. Step 4: Simplify right side
    1,005,112.26x = 499,362,655,829.86
  5. Step 5: Solve for x
    x = 499,362,655,829.86/1,005,112.26
  6. Step 6: Final answer
    x = 496,822.77

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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.