Home / 1,113,115.19-1,536,099.45-629,670.02

Finding the Fourth Proportional to 1,113,115.19, 1,536,099.45 and 629,670.02

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Solution

The fourth proportional to 1,113,115.19, 1,536,099.45 and 629,670.02 is: 868,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,115.19 : 1,536,099.45 = 629,670.02 : x
  2. Step 2: Convert to fraction form
    1,113,115.19/1,536,099.45 = 629,670.02/x
  3. Step 3: Cross multiply
    1,113,115.19x = 1,536,099.45 × 629,670.02
  4. Step 4: Simplify right side
    1,113,115.19x = 967,235,771,403.49
  5. Step 5: Solve for x
    x = 967,235,771,403.49/1,113,115.19
  6. Step 6: Final answer
    x = 868,944.90

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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.