Home / 751,822.02-1,128,695.28-645,883.74

Finding the Fourth Proportional to 751,822.02, 1,128,695.28 and 645,883.74

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Solution

The fourth proportional to 751,822.02, 1,128,695.28 and 645,883.74 is: 969,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,822.02 : 1,128,695.28 = 645,883.74 : x
  2. Step 2: Convert to fraction form
    751,822.02/1,128,695.28 = 645,883.74/x
  3. Step 3: Cross multiply
    751,822.02x = 1,128,695.28 × 645,883.74
  4. Step 4: Simplify right side
    751,822.02x = 729,005,928,766.75
  5. Step 5: Solve for x
    x = 729,005,928,766.75/751,822.02
  6. Step 6: Final answer
    x = 969,652.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.