Home / 1,138,673.87-1,571,369.86-622,429.93

Finding the Fourth Proportional to 1,138,673.87, 1,571,369.86 and 622,429.93

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Solution

The fourth proportional to 1,138,673.87, 1,571,369.86 and 622,429.93 is: 858,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,673.87 : 1,571,369.86 = 622,429.93 : x
  2. Step 2: Convert to fraction form
    1,138,673.87/1,571,369.86 = 622,429.93/x
  3. Step 3: Cross multiply
    1,138,673.87x = 1,571,369.86 × 622,429.93
  4. Step 4: Simplify right side
    1,138,673.87x = 978,067,631,963.91
  5. Step 5: Solve for x
    x = 978,067,631,963.91/1,138,673.87
  6. Step 6: Final answer
    x = 858,953.26

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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.