Home / 1,210,118.94-1,667,739.65-1,133,329.73

Finding the Fourth Proportional to 1,210,118.94, 1,667,739.65 and 1,133,329.73

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Solution

The fourth proportional to 1,210,118.94, 1,667,739.65 and 1,133,329.73 is: 1,561,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,118.94 : 1,667,739.65 = 1,133,329.73 : x
  2. Step 2: Convert to fraction form
    1,210,118.94/1,667,739.65 = 1,133,329.73/x
  3. Step 3: Cross multiply
    1,210,118.94x = 1,667,739.65 × 1,133,329.73
  4. Step 4: Simplify right side
    1,210,118.94x = 1,890,098,913,239.45
  5. Step 5: Solve for x
    x = 1,890,098,913,239.45/1,210,118.94
  6. Step 6: Final answer
    x = 1,561,911.69

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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.