Home / 1,243,247.86-1,864,872.06-822,425.32

Finding the Fourth Proportional to 1,243,247.86, 1,864,872.06 and 822,425.32

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Solution

The fourth proportional to 1,243,247.86, 1,864,872.06 and 822,425.32 is: 1,233,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,247.86 : 1,864,872.06 = 822,425.32 : x
  2. Step 2: Convert to fraction form
    1,243,247.86/1,864,872.06 = 822,425.32/x
  3. Step 3: Cross multiply
    1,243,247.86x = 1,864,872.06 × 822,425.32
  4. Step 4: Simplify right side
    1,243,247.86x = 1,533,718,000,704.56
  5. Step 5: Solve for x
    x = 1,533,718,000,704.56/1,243,247.86
  6. Step 6: Final answer
    x = 1,233,638.16

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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.