Home / 1,242,150.29-1,863,314.03-331,327.67

Finding the Fourth Proportional to 1,242,150.29, 1,863,314.03 and 331,327.67

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Solution

The fourth proportional to 1,242,150.29, 1,863,314.03 and 331,327.67 is: 497,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,150.29 : 1,863,314.03 = 331,327.67 : x
  2. Step 2: Convert to fraction form
    1,242,150.29/1,863,314.03 = 331,327.67/x
  3. Step 3: Cross multiply
    1,242,150.29x = 1,863,314.03 × 331,327.67
  4. Step 4: Simplify right side
    1,242,150.29x = 617,367,487,549.96
  5. Step 5: Solve for x
    x = 617,367,487,549.96/1,242,150.29
  6. Step 6: Final answer
    x = 497,015.13

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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.