Home / 1,285,807.71-1,928,317.84-888,998.43

Finding the Fourth Proportional to 1,285,807.71, 1,928,317.84 and 888,998.43

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Solution

The fourth proportional to 1,285,807.71, 1,928,317.84 and 888,998.43 is: 1,333,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,807.71 : 1,928,317.84 = 888,998.43 : x
  2. Step 2: Convert to fraction form
    1,285,807.71/1,928,317.84 = 888,998.43/x
  3. Step 3: Cross multiply
    1,285,807.71x = 1,928,317.84 × 888,998.43
  4. Step 4: Simplify right side
    1,285,807.71x = 1,714,271,530,078.50
  5. Step 5: Solve for x
    x = 1,714,271,530,078.50/1,285,807.71
  6. Step 6: Final answer
    x = 1,333,225.42

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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.