Home / 1,140,784.67-1,712,859.15-636,331.25

Finding the Fourth Proportional to 1,140,784.67, 1,712,859.15 and 636,331.25

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Solution

The fourth proportional to 1,140,784.67, 1,712,859.15 and 636,331.25 is: 955,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,784.67 : 1,712,859.15 = 636,331.25 : x
  2. Step 2: Convert to fraction form
    1,140,784.67/1,712,859.15 = 636,331.25/x
  3. Step 3: Cross multiply
    1,140,784.67x = 1,712,859.15 × 636,331.25
  4. Step 4: Simplify right side
    1,140,784.67x = 1,089,945,803,993.44
  5. Step 5: Solve for x
    x = 1,089,945,803,993.44/1,140,784.67
  6. Step 6: Final answer
    x = 955,435.18

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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.