Home / 1,231,983.63-1,700,102.25-688,103.46

Finding the Fourth Proportional to 1,231,983.63, 1,700,102.25 and 688,103.46

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Solution

The fourth proportional to 1,231,983.63, 1,700,102.25 and 688,103.46 is: 949,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,983.63 : 1,700,102.25 = 688,103.46 : x
  2. Step 2: Convert to fraction form
    1,231,983.63/1,700,102.25 = 688,103.46/x
  3. Step 3: Cross multiply
    1,231,983.63x = 1,700,102.25 × 688,103.46
  4. Step 4: Simplify right side
    1,231,983.63x = 1,169,846,240,578.78
  5. Step 5: Solve for x
    x = 1,169,846,240,578.78/1,231,983.63
  6. Step 6: Final answer
    x = 949,563.14

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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.