Home / 1,231,800.51-1,687,538.54-1,185,747.07

Finding the Fourth Proportional to 1,231,800.51, 1,687,538.54 and 1,185,747.07

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Solution

The fourth proportional to 1,231,800.51, 1,687,538.54 and 1,185,747.07 is: 1,624,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,800.51 : 1,687,538.54 = 1,185,747.07 : x
  2. Step 2: Convert to fraction form
    1,231,800.51/1,687,538.54 = 1,185,747.07/x
  3. Step 3: Cross multiply
    1,231,800.51x = 1,687,538.54 × 1,185,747.07
  4. Step 4: Simplify right side
    1,231,800.51x = 2,000,993,879,317.08
  5. Step 5: Solve for x
    x = 2,000,993,879,317.08/1,231,800.51
  6. Step 6: Final answer
    x = 1,624,446.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.