Home / 1,640,766.40-2,457,002.40-1,076,747.20

Finding the Fourth Proportional to 1,640,766.40, 2,457,002.40 and 1,076,747.20

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Solution

The fourth proportional to 1,640,766.40, 2,457,002.40 and 1,076,747.20 is: 1,612,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,766.40 : 2,457,002.40 = 1,076,747.20 : x
  2. Step 2: Convert to fraction form
    1,640,766.40/2,457,002.40 = 1,076,747.20/x
  3. Step 3: Cross multiply
    1,640,766.40x = 2,457,002.40 × 1,076,747.20
  4. Step 4: Simplify right side
    1,640,766.40x = 2,645,570,454,593.28
  5. Step 5: Solve for x
    x = 2,645,570,454,593.28/1,640,766.40
  6. Step 6: Final answer
    x = 1,612,399.21

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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.