Home / 1,005,180.07-1,507,956.87-331,308.67

Finding the Fourth Proportional to 1,005,180.07, 1,507,956.87 and 331,308.67

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Solution

The fourth proportional to 1,005,180.07, 1,507,956.87 and 331,308.67 is: 497,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,180.07 : 1,507,956.87 = 331,308.67 : x
  2. Step 2: Convert to fraction form
    1,005,180.07/1,507,956.87 = 331,308.67/x
  3. Step 3: Cross multiply
    1,005,180.07x = 1,507,956.87 × 331,308.67
  4. Step 4: Simplify right side
    1,005,180.07x = 499,599,177,477.28
  5. Step 5: Solve for x
    x = 499,599,177,477.28/1,005,180.07
  6. Step 6: Final answer
    x = 497,024.56

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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.