Home / 1,078,492.14-1,488,858.47-670,725.33

Finding the Fourth Proportional to 1,078,492.14, 1,488,858.47 and 670,725.33

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Solution

The fourth proportional to 1,078,492.14, 1,488,858.47 and 670,725.33 is: 925,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,492.14 : 1,488,858.47 = 670,725.33 : x
  2. Step 2: Convert to fraction form
    1,078,492.14/1,488,858.47 = 670,725.33/x
  3. Step 3: Cross multiply
    1,078,492.14x = 1,488,858.47 × 670,725.33
  4. Step 4: Simplify right side
    1,078,492.14x = 998,615,085,260.42
  5. Step 5: Solve for x
    x = 998,615,085,260.42/1,078,492.14
  6. Step 6: Final answer
    x = 925,936.36

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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.