Home / 1,678,600.64-2,518,645.32-879,692.48

Finding the Fourth Proportional to 1,678,600.64, 2,518,645.32 and 879,692.48

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Solution

The fourth proportional to 1,678,600.64, 2,518,645.32 and 879,692.48 is: 1,319,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,600.64 : 2,518,645.32 = 879,692.48 : x
  2. Step 2: Convert to fraction form
    1,678,600.64/2,518,645.32 = 879,692.48/x
  3. Step 3: Cross multiply
    1,678,600.64x = 2,518,645.32 × 879,692.48
  4. Step 4: Simplify right side
    1,678,600.64x = 2,215,633,347,791.19
  5. Step 5: Solve for x
    x = 2,215,633,347,791.19/1,678,600.64
  6. Step 6: Final answer
    x = 1,319,928.81

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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.