Home / 1,375,106.02-2,064,683.29-769,081.64

Finding the Fourth Proportional to 1,375,106.02, 2,064,683.29 and 769,081.64

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Solution

The fourth proportional to 1,375,106.02, 2,064,683.29 and 769,081.64 is: 1,154,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,106.02 : 2,064,683.29 = 769,081.64 : x
  2. Step 2: Convert to fraction form
    1,375,106.02/2,064,683.29 = 769,081.64/x
  3. Step 3: Cross multiply
    1,375,106.02x = 2,064,683.29 × 769,081.64
  4. Step 4: Simplify right side
    1,375,106.02x = 1,587,910,002,112.75
  5. Step 5: Solve for x
    x = 1,587,910,002,112.75/1,375,106.02
  6. Step 6: Final answer
    x = 1,154,754.60

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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.