Home / 1,078,483.07-1,488,845.96-670,716.27

Finding the Fourth Proportional to 1,078,483.07, 1,488,845.96 and 670,716.27

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Solution

The fourth proportional to 1,078,483.07, 1,488,845.96 and 670,716.27 is: 925,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,483.07 : 1,488,845.96 = 670,716.27 : x
  2. Step 2: Convert to fraction form
    1,078,483.07/1,488,845.96 = 670,716.27/x
  3. Step 3: Cross multiply
    1,078,483.07x = 1,488,845.96 × 670,716.27
  4. Step 4: Simplify right side
    1,078,483.07x = 998,593,205,542.19
  5. Step 5: Solve for x
    x = 998,593,205,542.19/1,078,483.07
  6. Step 6: Final answer
    x = 925,923.86

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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.