Home / 1,431,221.32-2,146,936.21-532,662.76

Finding the Fourth Proportional to 1,431,221.32, 2,146,936.21 and 532,662.76

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Solution

The fourth proportional to 1,431,221.32, 2,146,936.21 and 532,662.76 is: 799,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,221.32 : 2,146,936.21 = 532,662.76 : x
  2. Step 2: Convert to fraction form
    1,431,221.32/2,146,936.21 = 532,662.76/x
  3. Step 3: Cross multiply
    1,431,221.32x = 2,146,936.21 × 532,662.76
  4. Step 4: Simplify right side
    1,431,221.32x = 1,143,592,963,974.41
  5. Step 5: Solve for x
    x = 1,143,592,963,974.41/1,431,221.32
  6. Step 6: Final answer
    x = 799,032.93

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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.