Home / 1,112,137.32-1,536,024.96-731,861.76

Finding the Fourth Proportional to 1,112,137.32, 1,536,024.96 and 731,861.76

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Solution

The fourth proportional to 1,112,137.32, 1,536,024.96 and 731,861.76 is: 1,010,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,137.32 : 1,536,024.96 = 731,861.76 : x
  2. Step 2: Convert to fraction form
    1,112,137.32/1,536,024.96 = 731,861.76/x
  3. Step 3: Cross multiply
    1,112,137.32x = 1,536,024.96 × 731,861.76
  4. Step 4: Simplify right side
    1,112,137.32x = 1,124,157,930,629.53
  5. Step 5: Solve for x
    x = 1,124,157,930,629.53/1,112,137.32
  6. Step 6: Final answer
    x = 1,010,808.57

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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.