Home / 1,089,241.67-1,630,668.63-763,902.17

Finding the Fourth Proportional to 1,089,241.67, 1,630,668.63 and 763,902.17

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Solution

The fourth proportional to 1,089,241.67, 1,630,668.63 and 763,902.17 is: 1,143,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,241.67 : 1,630,668.63 = 763,902.17 : x
  2. Step 2: Convert to fraction form
    1,089,241.67/1,630,668.63 = 763,902.17/x
  3. Step 3: Cross multiply
    1,089,241.67x = 1,630,668.63 × 763,902.17
  4. Step 4: Simplify right side
    1,089,241.67x = 1,245,671,305,007.93
  5. Step 5: Solve for x
    x = 1,245,671,305,007.93/1,089,241.67
  6. Step 6: Final answer
    x = 1,143,613.34

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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.