Home / 1,398,338.46-2,097,063-451,488.96

Finding the Fourth Proportional to 1,398,338.46, 2,097,063 and 451,488.96

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Solution

The fourth proportional to 1,398,338.46, 2,097,063 and 451,488.96 is: 677,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,338.46 : 2,097,063 = 451,488.96 : x
  2. Step 2: Convert to fraction form
    1,398,338.46/2,097,063 = 451,488.96/x
  3. Step 3: Cross multiply
    1,398,338.46x = 2,097,063 × 451,488.96
  4. Step 4: Simplify right side
    1,398,338.46x = 946,800,792,924.48
  5. Step 5: Solve for x
    x = 946,800,792,924.48/1,398,338.46
  6. Step 6: Final answer
    x = 677,089.86

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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.