Home / 1,089,743.40-1,503,822.44-630,877.38

Finding the Fourth Proportional to 1,089,743.40, 1,503,822.44 and 630,877.38

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Solution

The fourth proportional to 1,089,743.40, 1,503,822.44 and 630,877.38 is: 870,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,743.40 : 1,503,822.44 = 630,877.38 : x
  2. Step 2: Convert to fraction form
    1,089,743.40/1,503,822.44 = 630,877.38/x
  3. Step 3: Cross multiply
    1,089,743.40x = 1,503,822.44 × 630,877.38
  4. Step 4: Simplify right side
    1,089,743.40x = 948,727,560,932.41
  5. Step 5: Solve for x
    x = 948,727,560,932.41/1,089,743.40
  6. Step 6: Final answer
    x = 870,597.21

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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.