Home / 1,399,813.88-2,097,768.86-1,057,976.69

Finding the Fourth Proportional to 1,399,813.88, 2,097,768.86 and 1,057,976.69

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Solution

The fourth proportional to 1,399,813.88, 2,097,768.86 and 1,057,976.69 is: 1,585,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,813.88 : 2,097,768.86 = 1,057,976.69 : x
  2. Step 2: Convert to fraction form
    1,399,813.88/2,097,768.86 = 1,057,976.69/x
  3. Step 3: Cross multiply
    1,399,813.88x = 2,097,768.86 × 1,057,976.69
  4. Step 4: Simplify right side
    1,399,813.88x = 2,219,390,554,842.41
  5. Step 5: Solve for x
    x = 2,219,390,554,842.41/1,399,813.88
  6. Step 6: Final answer
    x = 1,585,489.74

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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.