Home / 1,153,219.60-1,591,433.54-629,930.64

Finding the Fourth Proportional to 1,153,219.60, 1,591,433.54 and 629,930.64

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Solution

The fourth proportional to 1,153,219.60, 1,591,433.54 and 629,930.64 is: 869,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,219.60 : 1,591,433.54 = 629,930.64 : x
  2. Step 2: Convert to fraction form
    1,153,219.60/1,591,433.54 = 629,930.64/x
  3. Step 3: Cross multiply
    1,153,219.60x = 1,591,433.54 × 629,930.64
  4. Step 4: Simplify right side
    1,153,219.60x = 1,002,492,748,369.67
  5. Step 5: Solve for x
    x = 1,002,492,748,369.67/1,153,219.60
  6. Step 6: Final answer
    x = 869,299.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.