Home / 1,089,391.25-1,503,359.93-612,463.25

Finding the Fourth Proportional to 1,089,391.25, 1,503,359.93 and 612,463.25

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Solution

The fourth proportional to 1,089,391.25, 1,503,359.93 and 612,463.25 is: 845,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,391.25 : 1,503,359.93 = 612,463.25 : x
  2. Step 2: Convert to fraction form
    1,089,391.25/1,503,359.93 = 612,463.25/x
  3. Step 3: Cross multiply
    1,089,391.25x = 1,503,359.93 × 612,463.25
  4. Step 4: Simplify right side
    1,089,391.25x = 920,752,708,647.57
  5. Step 5: Solve for x
    x = 920,752,708,647.57/1,089,391.25
  6. Step 6: Final answer
    x = 845,199.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.