Home / 1,140,782.67-1,712,856.15-636,329.25

Finding the Fourth Proportional to 1,140,782.67, 1,712,856.15 and 636,329.25

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Solution

The fourth proportional to 1,140,782.67, 1,712,856.15 and 636,329.25 is: 955,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,782.67 : 1,712,856.15 = 636,329.25 : x
  2. Step 2: Convert to fraction form
    1,140,782.67/1,712,856.15 = 636,329.25/x
  3. Step 3: Cross multiply
    1,140,782.67x = 1,712,856.15 × 636,329.25
  4. Step 4: Simplify right side
    1,140,782.67x = 1,089,940,469,287.39
  5. Step 5: Solve for x
    x = 1,089,940,469,287.39/1,140,782.67
  6. Step 6: Final answer
    x = 955,432.18

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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.