Home / 1,115,469-1,672,904.60-484,232.76

Finding the Fourth Proportional to 1,115,469, 1,672,904.60 and 484,232.76

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Solution

The fourth proportional to 1,115,469, 1,672,904.60 and 484,232.76 is: 726,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,469 : 1,672,904.60 = 484,232.76 : x
  2. Step 2: Convert to fraction form
    1,115,469/1,672,904.60 = 484,232.76/x
  3. Step 3: Cross multiply
    1,115,469x = 1,672,904.60 × 484,232.76
  4. Step 4: Simplify right side
    1,115,469x = 810,075,211,674.70
  5. Step 5: Solve for x
    x = 810,075,211,674.70/1,115,469
  6. Step 6: Final answer
    x = 726,219.39

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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.