Home / 1,336,346.80-2,004,520.20-879,701.20

Finding the Fourth Proportional to 1,336,346.80, 2,004,520.20 and 879,701.20

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Solution

The fourth proportional to 1,336,346.80, 2,004,520.20 and 879,701.20 is: 1,319,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,346.80 : 2,004,520.20 = 879,701.20 : x
  2. Step 2: Convert to fraction form
    1,336,346.80/2,004,520.20 = 879,701.20/x
  3. Step 3: Cross multiply
    1,336,346.80x = 2,004,520.20 × 879,701.20
  4. Step 4: Simplify right side
    1,336,346.80x = 1,763,378,825,364.24
  5. Step 5: Solve for x
    x = 1,763,378,825,364.24/1,336,346.80
  6. Step 6: Final answer
    x = 1,319,551.80

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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.