Home / 1,375,932.60-2,064,093.30-429,204.60

Finding the Fourth Proportional to 1,375,932.60, 2,064,093.30 and 429,204.60

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Solution

The fourth proportional to 1,375,932.60, 2,064,093.30 and 429,204.60 is: 643,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,932.60 : 2,064,093.30 = 429,204.60 : x
  2. Step 2: Convert to fraction form
    1,375,932.60/2,064,093.30 = 429,204.60/x
  3. Step 3: Cross multiply
    1,375,932.60x = 2,064,093.30 × 429,204.60
  4. Step 4: Simplify right side
    1,375,932.60x = 885,918,339,189.18
  5. Step 5: Solve for x
    x = 885,918,339,189.18/1,375,932.60
  6. Step 6: Final answer
    x = 643,867.54

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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.