Home / 1,116,123.21-1,674,184.77-274,674.96

Finding the Fourth Proportional to 1,116,123.21, 1,674,184.77 and 274,674.96

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Solution

The fourth proportional to 1,116,123.21, 1,674,184.77 and 274,674.96 is: 412,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,123.21 : 1,674,184.77 = 274,674.96 : x
  2. Step 2: Convert to fraction form
    1,116,123.21/1,674,184.77 = 274,674.96/x
  3. Step 3: Cross multiply
    1,116,123.21x = 1,674,184.77 × 274,674.96
  4. Step 4: Simplify right side
    1,116,123.21x = 459,856,634,732.36
  5. Step 5: Solve for x
    x = 459,856,634,732.36/1,116,123.21
  6. Step 6: Final answer
    x = 412,012.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.