Home / 1,260,840.70-1,739,951.58-716,976.46

Finding the Fourth Proportional to 1,260,840.70, 1,739,951.58 and 716,976.46

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Solution

The fourth proportional to 1,260,840.70, 1,739,951.58 and 716,976.46 is: 989,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,840.70 : 1,739,951.58 = 716,976.46 : x
  2. Step 2: Convert to fraction form
    1,260,840.70/1,739,951.58 = 716,976.46/x
  3. Step 3: Cross multiply
    1,260,840.70x = 1,739,951.58 × 716,976.46
  4. Step 4: Simplify right side
    1,260,840.70x = 1,247,504,324,399.81
  5. Step 5: Solve for x
    x = 1,247,504,324,399.81/1,260,840.70
  6. Step 6: Final answer
    x = 989,422.63

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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.