Home / 1,108,961.56-1,663,197.09-310,028.32

Finding the Fourth Proportional to 1,108,961.56, 1,663,197.09 and 310,028.32

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Solution

The fourth proportional to 1,108,961.56, 1,663,197.09 and 310,028.32 is: 464,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,961.56 : 1,663,197.09 = 310,028.32 : x
  2. Step 2: Convert to fraction form
    1,108,961.56/1,663,197.09 = 310,028.32/x
  3. Step 3: Cross multiply
    1,108,961.56x = 1,663,197.09 × 310,028.32
  4. Step 4: Simplify right side
    1,108,961.56x = 515,638,199,641.59
  5. Step 5: Solve for x
    x = 515,638,199,641.59/1,108,961.56
  6. Step 6: Final answer
    x = 464,973.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.