Home / 1,179,801.57-1,628,264.40-670,580.49

Finding the Fourth Proportional to 1,179,801.57, 1,628,264.40 and 670,580.49

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Solution

The fourth proportional to 1,179,801.57, 1,628,264.40 and 670,580.49 is: 925,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,801.57 : 1,628,264.40 = 670,580.49 : x
  2. Step 2: Convert to fraction form
    1,179,801.57/1,628,264.40 = 670,580.49/x
  3. Step 3: Cross multiply
    1,179,801.57x = 1,628,264.40 × 670,580.49
  4. Step 4: Simplify right side
    1,179,801.57x = 1,091,882,339,201.56
  5. Step 5: Solve for x
    x = 1,091,882,339,201.56/1,179,801.57
  6. Step 6: Final answer
    x = 925,479.65

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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.