Home / 1,268,409.10-1,900,618.08-980,924.50

Finding the Fourth Proportional to 1,268,409.10, 1,900,618.08 and 980,924.50

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Solution

The fourth proportional to 1,268,409.10, 1,900,618.08 and 980,924.50 is: 1,469,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,409.10 : 1,900,618.08 = 980,924.50 : x
  2. Step 2: Convert to fraction form
    1,268,409.10/1,900,618.08 = 980,924.50/x
  3. Step 3: Cross multiply
    1,268,409.10x = 1,900,618.08 × 980,924.50
  4. Step 4: Simplify right side
    1,268,409.10x = 1,864,362,839,814.96
  5. Step 5: Solve for x
    x = 1,864,362,839,814.96/1,268,409.10
  6. Step 6: Final answer
    x = 1,469,843.48

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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.