Home / 1,433,134.40-2,147,679.81-1,116,184.64

Finding the Fourth Proportional to 1,433,134.40, 2,147,679.81 and 1,116,184.64

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Solution

The fourth proportional to 1,433,134.40, 2,147,679.81 and 1,116,184.64 is: 1,672,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,134.40 : 2,147,679.81 = 1,116,184.64 : x
  2. Step 2: Convert to fraction form
    1,433,134.40/2,147,679.81 = 1,116,184.64/x
  3. Step 3: Cross multiply
    1,433,134.40x = 2,147,679.81 × 1,116,184.64
  4. Step 4: Simplify right side
    1,433,134.40x = 2,397,207,204,821.72
  5. Step 5: Solve for x
    x = 2,397,207,204,821.72/1,433,134.40
  6. Step 6: Final answer
    x = 1,672,702.30

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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.