Home / 1,189,130.53-1,640,313.84-758,925.76

Finding the Fourth Proportional to 1,189,130.53, 1,640,313.84 and 758,925.76

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Solution

The fourth proportional to 1,189,130.53, 1,640,313.84 and 758,925.76 is: 1,046,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,130.53 : 1,640,313.84 = 758,925.76 : x
  2. Step 2: Convert to fraction form
    1,189,130.53/1,640,313.84 = 758,925.76/x
  3. Step 3: Cross multiply
    1,189,130.53x = 1,640,313.84 × 758,925.76
  4. Step 4: Simplify right side
    1,189,130.53x = 1,244,876,427,660.52
  5. Step 5: Solve for x
    x = 1,244,876,427,660.52/1,189,130.53
  6. Step 6: Final answer
    x = 1,046,879.54

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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.