Home / 1,338,336.30-1,846,854.72-726,475.64

Finding the Fourth Proportional to 1,338,336.30, 1,846,854.72 and 726,475.64

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Solution

The fourth proportional to 1,338,336.30, 1,846,854.72 and 726,475.64 is: 1,002,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,336.30 : 1,846,854.72 = 726,475.64 : x
  2. Step 2: Convert to fraction form
    1,338,336.30/1,846,854.72 = 726,475.64/x
  3. Step 3: Cross multiply
    1,338,336.30x = 1,846,854.72 × 726,475.64
  4. Step 4: Simplify right side
    1,338,336.30x = 1,341,694,964,699.02
  5. Step 5: Solve for x
    x = 1,341,694,964,699.02/1,338,336.30
  6. Step 6: Final answer
    x = 1,002,509.58

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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.