Home / 1,089,126.40-1,634,078.40-458,233.60

Finding the Fourth Proportional to 1,089,126.40, 1,634,078.40 and 458,233.60

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Solution

The fourth proportional to 1,089,126.40, 1,634,078.40 and 458,233.60 is: 687,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,126.40 : 1,634,078.40 = 458,233.60 : x
  2. Step 2: Convert to fraction form
    1,089,126.40/1,634,078.40 = 458,233.60/x
  3. Step 3: Cross multiply
    1,089,126.40x = 1,634,078.40 × 458,233.60
  4. Step 4: Simplify right side
    1,089,126.40x = 748,789,627,914.24
  5. Step 5: Solve for x
    x = 748,789,627,914.24/1,089,126.40
  6. Step 6: Final answer
    x = 687,513.98

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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.