Home / 1,076,640.28-1,612,301.43-802,429.06

Finding the Fourth Proportional to 1,076,640.28, 1,612,301.43 and 802,429.06

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Solution

The fourth proportional to 1,076,640.28, 1,612,301.43 and 802,429.06 is: 1,201,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,640.28 : 1,612,301.43 = 802,429.06 : x
  2. Step 2: Convert to fraction form
    1,076,640.28/1,612,301.43 = 802,429.06/x
  3. Step 3: Cross multiply
    1,076,640.28x = 1,612,301.43 × 802,429.06
  4. Step 4: Simplify right side
    1,076,640.28x = 1,293,757,516,121.55
  5. Step 5: Solve for x
    x = 1,293,757,516,121.55/1,076,640.28
  6. Step 6: Final answer
    x = 1,201,661.82

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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.