Home / 751,433.60-1,127,150.40-658,121.60

Finding the Fourth Proportional to 751,433.60, 1,127,150.40 and 658,121.60

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Solution

The fourth proportional to 751,433.60, 1,127,150.40 and 658,121.60 is: 987,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,433.60 : 1,127,150.40 = 658,121.60 : x
  2. Step 2: Convert to fraction form
    751,433.60/1,127,150.40 = 658,121.60/x
  3. Step 3: Cross multiply
    751,433.60x = 1,127,150.40 × 658,121.60
  4. Step 4: Simplify right side
    751,433.60x = 741,802,024,688.64
  5. Step 5: Solve for x
    x = 741,802,024,688.64/751,433.60
  6. Step 6: Final answer
    x = 987,182.40

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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.