Home / 1,413,081.12-1,949,221.80-888,958.28

Finding the Fourth Proportional to 1,413,081.12, 1,949,221.80 and 888,958.28

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Solution

The fourth proportional to 1,413,081.12, 1,949,221.80 and 888,958.28 is: 1,226,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,081.12 : 1,949,221.80 = 888,958.28 : x
  2. Step 2: Convert to fraction form
    1,413,081.12/1,949,221.80 = 888,958.28/x
  3. Step 3: Cross multiply
    1,413,081.12x = 1,949,221.80 × 888,958.28
  4. Step 4: Simplify right side
    1,413,081.12x = 1,732,776,858,666.50
  5. Step 5: Solve for x
    x = 1,732,776,858,666.50/1,413,081.12
  6. Step 6: Final answer
    x = 1,226,240.19

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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.