Home / 1,004,407.62-1,385,568.36-641,449.86

Finding the Fourth Proportional to 1,004,407.62, 1,385,568.36 and 641,449.86

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Solution

The fourth proportional to 1,004,407.62, 1,385,568.36 and 641,449.86 is: 884,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,407.62 : 1,385,568.36 = 641,449.86 : x
  2. Step 2: Convert to fraction form
    1,004,407.62/1,385,568.36 = 641,449.86/x
  3. Step 3: Cross multiply
    1,004,407.62x = 1,385,568.36 × 641,449.86
  4. Step 4: Simplify right side
    1,004,407.62x = 888,772,630,542.43
  5. Step 5: Solve for x
    x = 888,772,630,542.43/1,004,407.62
  6. Step 6: Final answer
    x = 884,872.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.