Home / 1,226,588.49-1,692,679.19-682,715.61

Finding the Fourth Proportional to 1,226,588.49, 1,692,679.19 and 682,715.61

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Solution

The fourth proportional to 1,226,588.49, 1,692,679.19 and 682,715.61 is: 942,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,588.49 : 1,692,679.19 = 682,715.61 : x
  2. Step 2: Convert to fraction form
    1,226,588.49/1,692,679.19 = 682,715.61/x
  3. Step 3: Cross multiply
    1,226,588.49x = 1,692,679.19 × 682,715.61
  4. Step 4: Simplify right side
    1,226,588.49x = 1,155,618,502,321.58
  5. Step 5: Solve for x
    x = 1,155,618,502,321.58/1,226,588.49
  6. Step 6: Final answer
    x = 942,140.34

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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.