Home / 1,280,371.37-1,766,983.34-707,399.24

Finding the Fourth Proportional to 1,280,371.37, 1,766,983.34 and 707,399.24

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Solution

The fourth proportional to 1,280,371.37, 1,766,983.34 and 707,399.24 is: 976,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,371.37 : 1,766,983.34 = 707,399.24 : x
  2. Step 2: Convert to fraction form
    1,280,371.37/1,766,983.34 = 707,399.24/x
  3. Step 3: Cross multiply
    1,280,371.37x = 1,766,983.34 × 707,399.24
  4. Step 4: Simplify right side
    1,280,371.37x = 1,249,962,664,742.24
  5. Step 5: Solve for x
    x = 1,249,962,664,742.24/1,280,371.37
  6. Step 6: Final answer
    x = 976,250.09

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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.