Home / 1,335,377.80-2,003,066.70-1,177,784.20

Finding the Fourth Proportional to 1,335,377.80, 2,003,066.70 and 1,177,784.20

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Solution

The fourth proportional to 1,335,377.80, 2,003,066.70 and 1,177,784.20 is: 1,766,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,377.80 : 2,003,066.70 = 1,177,784.20 : x
  2. Step 2: Convert to fraction form
    1,335,377.80/2,003,066.70 = 1,177,784.20/x
  3. Step 3: Cross multiply
    1,335,377.80x = 2,003,066.70 × 1,177,784.20
  4. Step 4: Simplify right side
    1,335,377.80x = 2,359,180,310,806.14
  5. Step 5: Solve for x
    x = 2,359,180,310,806.14/1,335,377.80
  6. Step 6: Final answer
    x = 1,766,676.30

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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.