Home / 1,691,731.41-2,537,746.32-477,318.66

Finding the Fourth Proportional to 1,691,731.41, 2,537,746.32 and 477,318.66

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Solution

The fourth proportional to 1,691,731.41, 2,537,746.32 and 477,318.66 is: 716,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,731.41 : 2,537,746.32 = 477,318.66 : x
  2. Step 2: Convert to fraction form
    1,691,731.41/2,537,746.32 = 477,318.66/x
  3. Step 3: Cross multiply
    1,691,731.41x = 2,537,746.32 × 477,318.66
  4. Step 4: Simplify right side
    1,691,731.41x = 1,211,313,672,882.33
  5. Step 5: Solve for x
    x = 1,211,313,672,882.33/1,691,731.41
  6. Step 6: Final answer
    x = 716,020.09

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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.