Home / 1,336,353.58-2,004,825.20-389,798.38

Finding the Fourth Proportional to 1,336,353.58, 2,004,825.20 and 389,798.38

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Solution

The fourth proportional to 1,336,353.58, 2,004,825.20 and 389,798.38 is: 584,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,353.58 : 2,004,825.20 = 389,798.38 : x
  2. Step 2: Convert to fraction form
    1,336,353.58/2,004,825.20 = 389,798.38/x
  3. Step 3: Cross multiply
    1,336,353.58x = 2,004,825.20 × 389,798.38
  4. Step 4: Simplify right side
    1,336,353.58x = 781,477,615,143.18
  5. Step 5: Solve for x
    x = 781,477,615,143.18/1,336,353.58
  6. Step 6: Final answer
    x = 584,783.57

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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.