Home / 1,182,103.70-1,772,003.55-676,145.30

Finding the Fourth Proportional to 1,182,103.70, 1,772,003.55 and 676,145.30

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Solution

The fourth proportional to 1,182,103.70, 1,772,003.55 and 676,145.30 is: 1,013,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,103.70 : 1,772,003.55 = 676,145.30 : x
  2. Step 2: Convert to fraction form
    1,182,103.70/1,772,003.55 = 676,145.30/x
  3. Step 3: Cross multiply
    1,182,103.70x = 1,772,003.55 × 676,145.30
  4. Step 4: Simplify right side
    1,182,103.70x = 1,198,131,871,915.82
  5. Step 5: Solve for x
    x = 1,198,131,871,915.82/1,182,103.70
  6. Step 6: Final answer
    x = 1,013,559.02

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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.