Home / 1,155,764.80-1,733,128.80-445,556.80

Finding the Fourth Proportional to 1,155,764.80, 1,733,128.80 and 445,556.80

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Solution

The fourth proportional to 1,155,764.80, 1,733,128.80 and 445,556.80 is: 668,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,764.80 : 1,733,128.80 = 445,556.80 : x
  2. Step 2: Convert to fraction form
    1,155,764.80/1,733,128.80 = 445,556.80/x
  3. Step 3: Cross multiply
    1,155,764.80x = 1,733,128.80 × 445,556.80
  4. Step 4: Simplify right side
    1,155,764.80x = 772,207,322,115.84
  5. Step 5: Solve for x
    x = 772,207,322,115.84/1,155,764.80
  6. Step 6: Final answer
    x = 668,135.35

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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.