Home / 1,155,694.40-1,733,541.60-777,780.80

Finding the Fourth Proportional to 1,155,694.40, 1,733,541.60 and 777,780.80

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Solution

The fourth proportional to 1,155,694.40, 1,733,541.60 and 777,780.80 is: 1,166,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,694.40 : 1,733,541.60 = 777,780.80 : x
  2. Step 2: Convert to fraction form
    1,155,694.40/1,733,541.60 = 777,780.80/x
  3. Step 3: Cross multiply
    1,155,694.40x = 1,733,541.60 × 777,780.80
  4. Step 4: Simplify right side
    1,155,694.40x = 1,348,315,372,481.28
  5. Step 5: Solve for x
    x = 1,348,315,372,481.28/1,155,694.40
  6. Step 6: Final answer
    x = 1,166,671.20

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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.