Home / 1,336,354.07-2,004,825.95-389,798.87

Finding the Fourth Proportional to 1,336,354.07, 2,004,825.95 and 389,798.87

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Solution

The fourth proportional to 1,336,354.07, 2,004,825.95 and 389,798.87 is: 584,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,354.07 : 2,004,825.95 = 389,798.87 : x
  2. Step 2: Convert to fraction form
    1,336,354.07/2,004,825.95 = 389,798.87/x
  3. Step 3: Cross multiply
    1,336,354.07x = 2,004,825.95 × 389,798.87
  4. Step 4: Simplify right side
    1,336,354.07x = 781,478,889,856.68
  5. Step 5: Solve for x
    x = 781,478,889,856.68/1,336,354.07
  6. Step 6: Final answer
    x = 584,784.31

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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.