Home / 1,241,960.32-1,712,902.80-833,939.20

Finding the Fourth Proportional to 1,241,960.32, 1,712,902.80 and 833,939.20

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Solution

The fourth proportional to 1,241,960.32, 1,712,902.80 and 833,939.20 is: 1,150,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,960.32 : 1,712,902.80 = 833,939.20 : x
  2. Step 2: Convert to fraction form
    1,241,960.32/1,712,902.80 = 833,939.20/x
  3. Step 3: Cross multiply
    1,241,960.32x = 1,712,902.80 × 833,939.20
  4. Step 4: Simplify right side
    1,241,960.32x = 1,428,456,790,709.76
  5. Step 5: Solve for x
    x = 1,428,456,790,709.76/1,241,960.32
  6. Step 6: Final answer
    x = 1,150,162.99

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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.