Home / 1,025,105.80-1,537,658.70-266,945.80

Finding the Fourth Proportional to 1,025,105.80, 1,537,658.70 and 266,945.80

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Solution

The fourth proportional to 1,025,105.80, 1,537,658.70 and 266,945.80 is: 400,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,105.80 : 1,537,658.70 = 266,945.80 : x
  2. Step 2: Convert to fraction form
    1,025,105.80/1,537,658.70 = 266,945.80/x
  3. Step 3: Cross multiply
    1,025,105.80x = 1,537,658.70 × 266,945.80
  4. Step 4: Simplify right side
    1,025,105.80x = 410,471,531,798.46
  5. Step 5: Solve for x
    x = 410,471,531,798.46/1,025,105.80
  6. Step 6: Final answer
    x = 400,418.70

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Double scale
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Similar ratio
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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.