Home / 1,297,659.40-1,945,905.90-498,675.40

Finding the Fourth Proportional to 1,297,659.40, 1,945,905.90 and 498,675.40

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Solution

The fourth proportional to 1,297,659.40, 1,945,905.90 and 498,675.40 is: 747,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,659.40 : 1,945,905.90 = 498,675.40 : x
  2. Step 2: Convert to fraction form
    1,297,659.40/1,945,905.90 = 498,675.40/x
  3. Step 3: Cross multiply
    1,297,659.40x = 1,945,905.90 × 498,675.40
  4. Step 4: Simplify right side
    1,297,659.40x = 970,375,403,044.86
  5. Step 5: Solve for x
    x = 970,375,403,044.86/1,297,659.40
  6. Step 6: Final answer
    x = 747,788.98

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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.