Home / 1,089,394.40-1,634,091.60-1,040,405.60

Finding the Fourth Proportional to 1,089,394.40, 1,634,091.60 and 1,040,405.60

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Solution

The fourth proportional to 1,089,394.40, 1,634,091.60 and 1,040,405.60 is: 1,560,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,394.40 : 1,634,091.60 = 1,040,405.60 : x
  2. Step 2: Convert to fraction form
    1,089,394.40/1,634,091.60 = 1,040,405.60/x
  3. Step 3: Cross multiply
    1,089,394.40x = 1,634,091.60 × 1,040,405.60
  4. Step 4: Simplify right side
    1,089,394.40x = 1,700,118,051,552.96
  5. Step 5: Solve for x
    x = 1,700,118,051,552.96/1,089,394.40
  6. Step 6: Final answer
    x = 1,560,608.40

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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.