Home / 1,404,679.20-2,107,310.40-458,121.30

Finding the Fourth Proportional to 1,404,679.20, 2,107,310.40 and 458,121.30

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Solution

The fourth proportional to 1,404,679.20, 2,107,310.40 and 458,121.30 is: 687,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,679.20 : 2,107,310.40 = 458,121.30 : x
  2. Step 2: Convert to fraction form
    1,404,679.20/2,107,310.40 = 458,121.30/x
  3. Step 3: Cross multiply
    1,404,679.20x = 2,107,310.40 × 458,121.30
  4. Step 4: Simplify right side
    1,404,679.20x = 965,403,779,951.52
  5. Step 5: Solve for x
    x = 965,403,779,951.52/1,404,679.20
  6. Step 6: Final answer
    x = 687,277.05

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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.