Home / 1,260,710.89-1,739,772.97-716,846.69

Finding the Fourth Proportional to 1,260,710.89, 1,739,772.97 and 716,846.69

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Solution

The fourth proportional to 1,260,710.89, 1,739,772.97 and 716,846.69 is: 989,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,710.89 : 1,739,772.97 = 716,846.69 : x
  2. Step 2: Convert to fraction form
    1,260,710.89/1,739,772.97 = 716,846.69/x
  3. Step 3: Cross multiply
    1,260,710.89x = 1,739,772.97 × 716,846.69
  4. Step 4: Simplify right side
    1,260,710.89x = 1,247,150,497,453.28
  5. Step 5: Solve for x
    x = 1,247,150,497,453.28/1,260,710.89
  6. Step 6: Final answer
    x = 989,243.85

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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.