Home / 1,416,555.50-1,954,846.63-780,651.50

Finding the Fourth Proportional to 1,416,555.50, 1,954,846.63 and 780,651.50

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Solution

The fourth proportional to 1,416,555.50, 1,954,846.63 and 780,651.50 is: 1,077,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,555.50 : 1,954,846.63 = 780,651.50 : x
  2. Step 2: Convert to fraction form
    1,416,555.50/1,954,846.63 = 780,651.50/x
  3. Step 3: Cross multiply
    1,416,555.50x = 1,954,846.63 × 780,651.50
  4. Step 4: Simplify right side
    1,416,555.50x = 1,526,053,953,979.44
  5. Step 5: Solve for x
    x = 1,526,053,953,979.44/1,416,555.50
  6. Step 6: Final answer
    x = 1,077,299.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.