Home / 1,008,495.20-1,391,723.38-555,786.20

Finding the Fourth Proportional to 1,008,495.20, 1,391,723.38 and 555,786.20

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Solution

The fourth proportional to 1,008,495.20, 1,391,723.38 and 555,786.20 is: 766,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,495.20 : 1,391,723.38 = 555,786.20 : x
  2. Step 2: Convert to fraction form
    1,008,495.20/1,391,723.38 = 555,786.20/x
  3. Step 3: Cross multiply
    1,008,495.20x = 1,391,723.38 × 555,786.20
  4. Step 4: Simplify right side
    1,008,495.20x = 773,500,648,821.36
  5. Step 5: Solve for x
    x = 773,500,648,821.36/1,008,495.20
  6. Step 6: Final answer
    x = 766,984.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.