Home / 1,076,971.29-1,485,959.36-611,721.60

Finding the Fourth Proportional to 1,076,971.29, 1,485,959.36 and 611,721.60

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Solution

The fourth proportional to 1,076,971.29, 1,485,959.36 and 611,721.60 is: 844,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,971.29 : 1,485,959.36 = 611,721.60 : x
  2. Step 2: Convert to fraction form
    1,076,971.29/1,485,959.36 = 611,721.60/x
  3. Step 3: Cross multiply
    1,076,971.29x = 1,485,959.36 × 611,721.60
  4. Step 4: Simplify right side
    1,076,971.29x = 908,993,434,175.57
  5. Step 5: Solve for x
    x = 908,993,434,175.57/1,076,971.29
  6. Step 6: Final answer
    x = 844,027.55

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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.