Home / 1,225,992.92-1,691,843.70-709,768.64

Finding the Fourth Proportional to 1,225,992.92, 1,691,843.70 and 709,768.64

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Solution

The fourth proportional to 1,225,992.92, 1,691,843.70 and 709,768.64 is: 979,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,992.92 : 1,691,843.70 = 709,768.64 : x
  2. Step 2: Convert to fraction form
    1,225,992.92/1,691,843.70 = 709,768.64/x
  3. Step 3: Cross multiply
    1,225,992.92x = 1,691,843.70 × 709,768.64
  4. Step 4: Simplify right side
    1,225,992.92x = 1,200,817,602,041.57
  5. Step 5: Solve for x
    x = 1,200,817,602,041.57/1,225,992.92
  6. Step 6: Final answer
    x = 979,465.36

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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.