Home / 1,138,250.48-1,571,112.86-751,348.31

Finding the Fourth Proportional to 1,138,250.48, 1,571,112.86 and 751,348.31

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Solution

The fourth proportional to 1,138,250.48, 1,571,112.86 and 751,348.31 is: 1,037,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,250.48 : 1,571,112.86 = 751,348.31 : x
  2. Step 2: Convert to fraction form
    1,138,250.48/1,571,112.86 = 751,348.31/x
  3. Step 3: Cross multiply
    1,138,250.48x = 1,571,112.86 × 751,348.31
  4. Step 4: Simplify right side
    1,138,250.48x = 1,180,452,980,567.96
  5. Step 5: Solve for x
    x = 1,180,452,980,567.96/1,138,250.48
  6. Step 6: Final answer
    x = 1,037,076.64

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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.