Home / 1,780,138.50-2,669,896.38-500,441.76

Finding the Fourth Proportional to 1,780,138.50, 2,669,896.38 and 500,441.76

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Solution

The fourth proportional to 1,780,138.50, 2,669,896.38 and 500,441.76 is: 750,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,138.50 : 2,669,896.38 = 500,441.76 : x
  2. Step 2: Convert to fraction form
    1,780,138.50/2,669,896.38 = 500,441.76/x
  3. Step 3: Cross multiply
    1,780,138.50x = 2,669,896.38 × 500,441.76
  4. Step 4: Simplify right side
    1,780,138.50x = 1,336,127,643,424.83
  5. Step 5: Solve for x
    x = 1,336,127,643,424.83/1,780,138.50
  6. Step 6: Final answer
    x = 750,575.11

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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.