Home / 1,242,632.36-1,864,340.04-443,896.22

Finding the Fourth Proportional to 1,242,632.36, 1,864,340.04 and 443,896.22

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Solution

The fourth proportional to 1,242,632.36, 1,864,340.04 and 443,896.22 is: 665,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,632.36 : 1,864,340.04 = 443,896.22 : x
  2. Step 2: Convert to fraction form
    1,242,632.36/1,864,340.04 = 443,896.22/x
  3. Step 3: Cross multiply
    1,242,632.36x = 1,864,340.04 × 443,896.22
  4. Step 4: Simplify right side
    1,242,632.36x = 827,573,496,550.65
  5. Step 5: Solve for x
    x = 827,573,496,550.65/1,242,632.36
  6. Step 6: Final answer
    x = 665,984.18

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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.