Home / 689,151.51-1,033,021.94-671,863.28

Finding the Fourth Proportional to 689,151.51, 1,033,021.94 and 671,863.28

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Solution

The fourth proportional to 689,151.51, 1,033,021.94 and 671,863.28 is: 1,007,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,151.51 : 1,033,021.94 = 671,863.28 : x
  2. Step 2: Convert to fraction form
    689,151.51/1,033,021.94 = 671,863.28/x
  3. Step 3: Cross multiply
    689,151.51x = 1,033,021.94 × 671,863.28
  4. Step 4: Simplify right side
    689,151.51x = 694,049,500,395.94
  5. Step 5: Solve for x
    x = 694,049,500,395.94/689,151.51
  6. Step 6: Final answer
    x = 1,007,107.28

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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.