Home / 1,089,127.40-1,634,079.90-458,234.60

Finding the Fourth Proportional to 1,089,127.40, 1,634,079.90 and 458,234.60

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Solution

The fourth proportional to 1,089,127.40, 1,634,079.90 and 458,234.60 is: 687,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,127.40 : 1,634,079.90 = 458,234.60 : x
  2. Step 2: Convert to fraction form
    1,089,127.40/1,634,079.90 = 458,234.60/x
  3. Step 3: Cross multiply
    1,089,127.40x = 1,634,079.90 × 458,234.60
  4. Step 4: Simplify right side
    1,089,127.40x = 748,791,949,344.54
  5. Step 5: Solve for x
    x = 748,791,949,344.54/1,089,127.40
  6. Step 6: Final answer
    x = 687,515.48

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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.