Home / 1,422,271.16-2,133,408.78-580,822.88

Finding the Fourth Proportional to 1,422,271.16, 2,133,408.78 and 580,822.88

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Solution

The fourth proportional to 1,422,271.16, 2,133,408.78 and 580,822.88 is: 871,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,271.16 : 2,133,408.78 = 580,822.88 : x
  2. Step 2: Convert to fraction form
    1,422,271.16/2,133,408.78 = 580,822.88/x
  3. Step 3: Cross multiply
    1,422,271.16x = 2,133,408.78 × 580,822.88
  4. Step 4: Simplify right side
    1,422,271.16x = 1,239,132,631,816.89
  5. Step 5: Solve for x
    x = 1,239,132,631,816.89/1,422,271.16
  6. Step 6: Final answer
    x = 871,235.15

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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.