Home / 1,336,121.04-2,004,513.72-389,500.08

Finding the Fourth Proportional to 1,336,121.04, 2,004,513.72 and 389,500.08

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Solution

The fourth proportional to 1,336,121.04, 2,004,513.72 and 389,500.08 is: 584,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,121.04 : 2,004,513.72 = 389,500.08 : x
  2. Step 2: Convert to fraction form
    1,336,121.04/2,004,513.72 = 389,500.08/x
  3. Step 3: Cross multiply
    1,336,121.04x = 2,004,513.72 × 389,500.08
  4. Step 4: Simplify right side
    1,336,121.04x = 780,758,254,301.10
  5. Step 5: Solve for x
    x = 780,758,254,301.10/1,336,121.04
  6. Step 6: Final answer
    x = 584,346.95

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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.