Home / 1,410,869.38-2,116,864.83-451,472.80

Finding the Fourth Proportional to 1,410,869.38, 2,116,864.83 and 451,472.80

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Solution

The fourth proportional to 1,410,869.38, 2,116,864.83 and 451,472.80 is: 677,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,869.38 : 2,116,864.83 = 451,472.80 : x
  2. Step 2: Convert to fraction form
    1,410,869.38/2,116,864.83 = 451,472.80/x
  3. Step 3: Cross multiply
    1,410,869.38x = 2,116,864.83 × 451,472.80
  4. Step 4: Simplify right side
    1,410,869.38x = 955,706,889,852.07
  5. Step 5: Solve for x
    x = 955,706,889,852.07/1,410,869.38
  6. Step 6: Final answer
    x = 677,388.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.