Home / 1,130,469.78-1,560,047.94-621,204.96

Finding the Fourth Proportional to 1,130,469.78, 1,560,047.94 and 621,204.96

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Solution

The fourth proportional to 1,130,469.78, 1,560,047.94 and 621,204.96 is: 857,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,469.78 : 1,560,047.94 = 621,204.96 : x
  2. Step 2: Convert to fraction form
    1,130,469.78/1,560,047.94 = 621,204.96/x
  3. Step 3: Cross multiply
    1,130,469.78x = 1,560,047.94 × 621,204.96
  4. Step 4: Simplify right side
    1,130,469.78x = 969,109,518,165.78
  5. Step 5: Solve for x
    x = 969,109,518,165.78/1,130,469.78
  6. Step 6: Final answer
    x = 857,262.65

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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.