Home / 1,438,430.40-2,159,978.40-967,204.80

Finding the Fourth Proportional to 1,438,430.40, 2,159,978.40 and 967,204.80

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Solution

The fourth proportional to 1,438,430.40, 2,159,978.40 and 967,204.80 is: 1,452,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,430.40 : 2,159,978.40 = 967,204.80 : x
  2. Step 2: Convert to fraction form
    1,438,430.40/2,159,978.40 = 967,204.80/x
  3. Step 3: Cross multiply
    1,438,430.40x = 2,159,978.40 × 967,204.80
  4. Step 4: Simplify right side
    1,438,430.40x = 2,089,141,476,376.32
  5. Step 5: Solve for x
    x = 2,089,141,476,376.32/1,438,430.40
  6. Step 6: Final answer
    x = 1,452,375.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.