Home / 1,336,645.70-2,004,167.85-425,434.58

Finding the Fourth Proportional to 1,336,645.70, 2,004,167.85 and 425,434.58

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Solution

The fourth proportional to 1,336,645.70, 2,004,167.85 and 425,434.58 is: 637,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,645.70 : 2,004,167.85 = 425,434.58 : x
  2. Step 2: Convert to fraction form
    1,336,645.70/2,004,167.85 = 425,434.58/x
  3. Step 3: Cross multiply
    1,336,645.70x = 2,004,167.85 × 425,434.58
  4. Step 4: Simplify right side
    1,336,645.70x = 852,642,297,493.41
  5. Step 5: Solve for x
    x = 852,642,297,493.41/1,336,645.70
  6. Step 6: Final answer
    x = 637,897.01

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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.