Home / 1,140,777.75-1,712,848.80-636,324.33

Finding the Fourth Proportional to 1,140,777.75, 1,712,848.80 and 636,324.33

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Solution

The fourth proportional to 1,140,777.75, 1,712,848.80 and 636,324.33 is: 955,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,777.75 : 1,712,848.80 = 636,324.33 : x
  2. Step 2: Convert to fraction form
    1,140,777.75/1,712,848.80 = 636,324.33/x
  3. Step 3: Cross multiply
    1,140,777.75x = 1,712,848.80 × 636,324.33
  4. Step 4: Simplify right side
    1,140,777.75x = 1,089,927,365,051.30
  5. Step 5: Solve for x
    x = 1,089,927,365,051.30/1,140,777.75
  6. Step 6: Final answer
    x = 955,424.81

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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.