Home / 1,690,845.20-2,536,613.40-569,027.60

Finding the Fourth Proportional to 1,690,845.20, 2,536,613.40 and 569,027.60

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Solution

The fourth proportional to 1,690,845.20, 2,536,613.40 and 569,027.60 is: 853,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,845.20 : 2,536,613.40 = 569,027.60 : x
  2. Step 2: Convert to fraction form
    1,690,845.20/2,536,613.40 = 569,027.60/x
  3. Step 3: Cross multiply
    1,690,845.20x = 2,536,613.40 × 569,027.60
  4. Step 4: Simplify right side
    1,690,845.20x = 1,443,403,035,129.84
  5. Step 5: Solve for x
    x = 1,443,403,035,129.84/1,690,845.20
  6. Step 6: Final answer
    x = 853,657.71

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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.