Home / 1,253,755.28-1,730,137.56-680,783.60

Finding the Fourth Proportional to 1,253,755.28, 1,730,137.56 and 680,783.60

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Solution

The fourth proportional to 1,253,755.28, 1,730,137.56 and 680,783.60 is: 939,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,755.28 : 1,730,137.56 = 680,783.60 : x
  2. Step 2: Convert to fraction form
    1,253,755.28/1,730,137.56 = 680,783.60/x
  3. Step 3: Cross multiply
    1,253,755.28x = 1,730,137.56 × 680,783.60
  4. Step 4: Simplify right side
    1,253,755.28x = 1,177,849,276,592.02
  5. Step 5: Solve for x
    x = 1,177,849,276,592.02/1,253,755.28
  6. Step 6: Final answer
    x = 939,457.08

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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.