Home / 751,452-1,127,243.61-190,486.50

Finding the Fourth Proportional to 751,452, 1,127,243.61 and 190,486.50

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Solution

The fourth proportional to 751,452, 1,127,243.61 and 190,486.50 is: 285,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,452 : 1,127,243.61 = 190,486.50 : x
  2. Step 2: Convert to fraction form
    751,452/1,127,243.61 = 190,486.50/x
  3. Step 3: Cross multiply
    751,452x = 1,127,243.61 × 190,486.50
  4. Step 4: Simplify right side
    751,452x = 214,724,689,916.27
  5. Step 5: Solve for x
    x = 214,724,689,916.27/751,452
  6. Step 6: Final answer
    x = 285,746.38

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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.