Home / 1,399,813.38-2,097,768.11-1,057,976.19

Finding the Fourth Proportional to 1,399,813.38, 2,097,768.11 and 1,057,976.19

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Solution

The fourth proportional to 1,399,813.38, 2,097,768.11 and 1,057,976.19 is: 1,585,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,813.38 : 2,097,768.11 = 1,057,976.19 : x
  2. Step 2: Convert to fraction form
    1,399,813.38/2,097,768.11 = 1,057,976.19/x
  3. Step 3: Cross multiply
    1,399,813.38x = 2,097,768.11 × 1,057,976.19
  4. Step 4: Simplify right side
    1,399,813.38x = 2,219,388,712,521.30
  5. Step 5: Solve for x
    x = 2,219,388,712,521.30/1,399,813.38
  6. Step 6: Final answer
    x = 1,585,489.00

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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.