Home / 1,128,482.44-1,557,305.78-645,058.06

Finding the Fourth Proportional to 1,128,482.44, 1,557,305.78 and 645,058.06

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Solution

The fourth proportional to 1,128,482.44, 1,557,305.78 and 645,058.06 is: 890,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,482.44 : 1,557,305.78 = 645,058.06 : x
  2. Step 2: Convert to fraction form
    1,128,482.44/1,557,305.78 = 645,058.06/x
  3. Step 3: Cross multiply
    1,128,482.44x = 1,557,305.78 × 645,058.06
  4. Step 4: Simplify right side
    1,128,482.44x = 1,004,552,645,273.59
  5. Step 5: Solve for x
    x = 1,004,552,645,273.59/1,128,482.44
  6. Step 6: Final answer
    x = 890,180.13

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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.