Home / 1,228,994.92-1,695,544.68-907,476.76

Finding the Fourth Proportional to 1,228,994.92, 1,695,544.68 and 907,476.76

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Solution

The fourth proportional to 1,228,994.92, 1,695,544.68 and 907,476.76 is: 1,251,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,994.92 : 1,695,544.68 = 907,476.76 : x
  2. Step 2: Convert to fraction form
    1,228,994.92/1,695,544.68 = 907,476.76/x
  3. Step 3: Cross multiply
    1,228,994.92x = 1,695,544.68 × 907,476.76
  4. Step 4: Simplify right side
    1,228,994.92x = 1,538,667,392,641.64
  5. Step 5: Solve for x
    x = 1,538,667,392,641.64/1,228,994.92
  6. Step 6: Final answer
    x = 1,251,972.13

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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.