Home / 1,148,131.67-1,722,213.90-400,177.67

Finding the Fourth Proportional to 1,148,131.67, 1,722,213.90 and 400,177.67

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Solution

The fourth proportional to 1,148,131.67, 1,722,213.90 and 400,177.67 is: 600,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,131.67 : 1,722,213.90 = 400,177.67 : x
  2. Step 2: Convert to fraction form
    1,148,131.67/1,722,213.90 = 400,177.67/x
  3. Step 3: Cross multiply
    1,148,131.67x = 1,722,213.90 × 400,177.67
  4. Step 4: Simplify right side
    1,148,131.67x = 689,191,537,132.54
  5. Step 5: Solve for x
    x = 689,191,537,132.54/1,148,131.67
  6. Step 6: Final answer
    x = 600,272.21

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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.