Home / 1,008,469.84-1,391,688.40-555,760.84

Finding the Fourth Proportional to 1,008,469.84, 1,391,688.40 and 555,760.84

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Solution

The fourth proportional to 1,008,469.84, 1,391,688.40 and 555,760.84 is: 766,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,469.84 : 1,391,688.40 = 555,760.84 : x
  2. Step 2: Convert to fraction form
    1,008,469.84/1,391,688.40 = 555,760.84/x
  3. Step 3: Cross multiply
    1,008,469.84x = 1,391,688.40 × 555,760.84
  4. Step 4: Simplify right side
    1,008,469.84x = 773,445,907,243.81
  5. Step 5: Solve for x
    x = 773,445,907,243.81/1,008,469.84
  6. Step 6: Final answer
    x = 766,949.97

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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.