Home / 1,397,069.12-2,094,702.12-667,197.20

Finding the Fourth Proportional to 1,397,069.12, 2,094,702.12 and 667,197.20

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Solution

The fourth proportional to 1,397,069.12, 2,094,702.12 and 667,197.20 is: 1,000,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,069.12 : 2,094,702.12 = 667,197.20 : x
  2. Step 2: Convert to fraction form
    1,397,069.12/2,094,702.12 = 667,197.20/x
  3. Step 3: Cross multiply
    1,397,069.12x = 2,094,702.12 × 667,197.20
  4. Step 4: Simplify right side
    1,397,069.12x = 1,397,579,389,298.06
  5. Step 5: Solve for x
    x = 1,397,579,389,298.06/1,397,069.12
  6. Step 6: Final answer
    x = 1,000,365.24

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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.