Home / 1,189,129.37-1,640,312.25-758,924.60

Finding the Fourth Proportional to 1,189,129.37, 1,640,312.25 and 758,924.60

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Solution

The fourth proportional to 1,189,129.37, 1,640,312.25 and 758,924.60 is: 1,046,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,129.37 : 1,640,312.25 = 758,924.60 : x
  2. Step 2: Convert to fraction form
    1,189,129.37/1,640,312.25 = 758,924.60/x
  3. Step 3: Cross multiply
    1,189,129.37x = 1,640,312.25 × 758,924.60
  4. Step 4: Simplify right side
    1,189,129.37x = 1,244,873,318,206.35
  5. Step 5: Solve for x
    x = 1,244,873,318,206.35/1,189,129.37
  6. Step 6: Final answer
    x = 1,046,877.95

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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.