Home / 1,131,026.10-1,560,776.40-621,724.80

Finding the Fourth Proportional to 1,131,026.10, 1,560,776.40 and 621,724.80

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Solution

The fourth proportional to 1,131,026.10, 1,560,776.40 and 621,724.80 is: 857,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,026.10 : 1,560,776.40 = 621,724.80 : x
  2. Step 2: Convert to fraction form
    1,131,026.10/1,560,776.40 = 621,724.80/x
  3. Step 3: Cross multiply
    1,131,026.10x = 1,560,776.40 × 621,724.80
  4. Step 4: Simplify right side
    1,131,026.10x = 970,373,395,134.72
  5. Step 5: Solve for x
    x = 970,373,395,134.72/1,131,026.10
  6. Step 6: Final answer
    x = 857,958.45

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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.