Home / 1,307,981.96-1,961,953.48-361,331.72

Finding the Fourth Proportional to 1,307,981.96, 1,961,953.48 and 361,331.72

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Solution

The fourth proportional to 1,307,981.96, 1,961,953.48 and 361,331.72 is: 541,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,981.96 : 1,961,953.48 = 361,331.72 : x
  2. Step 2: Convert to fraction form
    1,307,981.96/1,961,953.48 = 361,331.72/x
  3. Step 3: Cross multiply
    1,307,981.96x = 1,961,953.48 × 361,331.72
  4. Step 4: Simplify right side
    1,307,981.96x = 708,916,025,488.39
  5. Step 5: Solve for x
    x = 708,916,025,488.39/1,307,981.96
  6. Step 6: Final answer
    x = 541,992.20

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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.