Home / 1,364,786.50-2,047,001.86-405,222.81

Finding the Fourth Proportional to 1,364,786.50, 2,047,001.86 and 405,222.81

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Solution

The fourth proportional to 1,364,786.50, 2,047,001.86 and 405,222.81 is: 607,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,786.50 : 2,047,001.86 = 405,222.81 : x
  2. Step 2: Convert to fraction form
    1,364,786.50/2,047,001.86 = 405,222.81/x
  3. Step 3: Cross multiply
    1,364,786.50x = 2,047,001.86 × 405,222.81
  4. Step 4: Simplify right side
    1,364,786.50x = 829,491,838,614.70
  5. Step 5: Solve for x
    x = 829,491,838,614.70/1,364,786.50
  6. Step 6: Final answer
    x = 607,781.39

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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.