Home / 1,690,992.45-2,333,659.01-927,078.21

Finding the Fourth Proportional to 1,690,992.45, 2,333,659.01 and 927,078.21

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Solution

The fourth proportional to 1,690,992.45, 2,333,659.01 and 927,078.21 is: 1,279,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,992.45 : 2,333,659.01 = 927,078.21 : x
  2. Step 2: Convert to fraction form
    1,690,992.45/2,333,659.01 = 927,078.21/x
  3. Step 3: Cross multiply
    1,690,992.45x = 2,333,659.01 × 927,078.21
  4. Step 4: Simplify right side
    1,690,992.45x = 2,163,484,413,105.78
  5. Step 5: Solve for x
    x = 2,163,484,413,105.78/1,690,992.45
  6. Step 6: Final answer
    x = 1,279,416.96

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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.