Home / 1,121,596.34-1,682,299.74-363,421.76

Finding the Fourth Proportional to 1,121,596.34, 1,682,299.74 and 363,421.76

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Solution

The fourth proportional to 1,121,596.34, 1,682,299.74 and 363,421.76 is: 545,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,596.34 : 1,682,299.74 = 363,421.76 : x
  2. Step 2: Convert to fraction form
    1,121,596.34/1,682,299.74 = 363,421.76/x
  3. Step 3: Cross multiply
    1,121,596.34x = 1,682,299.74 × 363,421.76
  4. Step 4: Simplify right side
    1,121,596.34x = 611,384,332,358.34
  5. Step 5: Solve for x
    x = 611,384,332,358.34/1,121,596.34
  6. Step 6: Final answer
    x = 545,101.93

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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.