Home / 1,078,180.51-1,488,367.37-696,393.49

Finding the Fourth Proportional to 1,078,180.51, 1,488,367.37 and 696,393.49

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Solution

The fourth proportional to 1,078,180.51, 1,488,367.37 and 696,393.49 is: 961,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,180.51 : 1,488,367.37 = 696,393.49 : x
  2. Step 2: Convert to fraction form
    1,078,180.51/1,488,367.37 = 696,393.49/x
  3. Step 3: Cross multiply
    1,078,180.51x = 1,488,367.37 × 696,393.49
  4. Step 4: Simplify right side
    1,078,180.51x = 1,036,489,347,196.42
  5. Step 5: Solve for x
    x = 1,036,489,347,196.42/1,078,180.51
  6. Step 6: Final answer
    x = 961,331.93

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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.