Home / 1,307,790.76-1,961,722.95-361,161.48

Finding the Fourth Proportional to 1,307,790.76, 1,961,722.95 and 361,161.48

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Solution

The fourth proportional to 1,307,790.76, 1,961,722.95 and 361,161.48 is: 541,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,790.76 : 1,961,722.95 = 361,161.48 : x
  2. Step 2: Convert to fraction form
    1,307,790.76/1,961,722.95 = 361,161.48/x
  3. Step 3: Cross multiply
    1,307,790.76x = 1,961,722.95 × 361,161.48
  4. Step 4: Simplify right side
    1,307,790.76x = 708,498,763,971.97
  5. Step 5: Solve for x
    x = 708,498,763,971.97/1,307,790.76
  6. Step 6: Final answer
    x = 541,752.39

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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.