Home / 1,260,076.50-1,738,949.31-716,235.21

Finding the Fourth Proportional to 1,260,076.50, 1,738,949.31 and 716,235.21

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Solution

The fourth proportional to 1,260,076.50, 1,738,949.31 and 716,235.21 is: 988,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,076.50 : 1,738,949.31 = 716,235.21 : x
  2. Step 2: Convert to fraction form
    1,260,076.50/1,738,949.31 = 716,235.21/x
  3. Step 3: Cross multiply
    1,260,076.50x = 1,738,949.31 × 716,235.21
  4. Step 4: Simplify right side
    1,260,076.50x = 1,245,496,724,227.21
  5. Step 5: Solve for x
    x = 1,245,496,724,227.21/1,260,076.50
  6. Step 6: Final answer
    x = 988,429.45

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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.