Home / 1,538,087.72-2,305,632.02-614,568.45

Finding the Fourth Proportional to 1,538,087.72, 2,305,632.02 and 614,568.45

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Solution

The fourth proportional to 1,538,087.72, 2,305,632.02 and 614,568.45 is: 921,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,087.72 : 2,305,632.02 = 614,568.45 : x
  2. Step 2: Convert to fraction form
    1,538,087.72/2,305,632.02 = 614,568.45/x
  3. Step 3: Cross multiply
    1,538,087.72x = 2,305,632.02 × 614,568.45
  4. Step 4: Simplify right side
    1,538,087.72x = 1,416,968,682,200.77
  5. Step 5: Solve for x
    x = 1,416,968,682,200.77/1,538,087.72
  6. Step 6: Final answer
    x = 921,253.49

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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.