Home / 1,140,774.75-1,712,844.27-636,321.33

Finding the Fourth Proportional to 1,140,774.75, 1,712,844.27 and 636,321.33

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Solution

The fourth proportional to 1,140,774.75, 1,712,844.27 and 636,321.33 is: 955,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,774.75 : 1,712,844.27 = 636,321.33 : x
  2. Step 2: Convert to fraction form
    1,140,774.75/1,712,844.27 = 636,321.33/x
  3. Step 3: Cross multiply
    1,140,774.75x = 1,712,844.27 × 636,321.33
  4. Step 4: Simplify right side
    1,140,774.75x = 1,089,919,343,969.28
  5. Step 5: Solve for x
    x = 1,089,919,343,969.28/1,140,774.75
  6. Step 6: Final answer
    x = 955,420.29

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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.