Home / 1,089,126.90-1,634,079.15-458,234.10

Finding the Fourth Proportional to 1,089,126.90, 1,634,079.15 and 458,234.10

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Solution

The fourth proportional to 1,089,126.90, 1,634,079.15 and 458,234.10 is: 687,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,126.90 : 1,634,079.15 = 458,234.10 : x
  2. Step 2: Convert to fraction form
    1,089,126.90/1,634,079.15 = 458,234.10/x
  3. Step 3: Cross multiply
    1,089,126.90x = 1,634,079.15 × 458,234.10
  4. Step 4: Simplify right side
    1,089,126.90x = 748,790,788,629.02
  5. Step 5: Solve for x
    x = 748,790,788,629.02/1,089,126.90
  6. Step 6: Final answer
    x = 687,514.73

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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.