Home / 1,110,546.72-1,666,505.28-436,509.76

Finding the Fourth Proportional to 1,110,546.72, 1,666,505.28 and 436,509.76

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Solution

The fourth proportional to 1,110,546.72, 1,666,505.28 and 436,509.76 is: 655,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,546.72 : 1,666,505.28 = 436,509.76 : x
  2. Step 2: Convert to fraction form
    1,110,546.72/1,666,505.28 = 436,509.76/x
  3. Step 3: Cross multiply
    1,110,546.72x = 1,666,505.28 × 436,509.76
  4. Step 4: Simplify right side
    1,110,546.72x = 727,445,819,811.53
  5. Step 5: Solve for x
    x = 727,445,819,811.53/1,110,546.72
  6. Step 6: Final answer
    x = 655,033.96

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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.