Home / 1,089,125.90-1,634,077.65-458,233.10

Finding the Fourth Proportional to 1,089,125.90, 1,634,077.65 and 458,233.10

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Solution

The fourth proportional to 1,089,125.90, 1,634,077.65 and 458,233.10 is: 687,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,125.90 : 1,634,077.65 = 458,233.10 : x
  2. Step 2: Convert to fraction form
    1,089,125.90/1,634,077.65 = 458,233.10/x
  3. Step 3: Cross multiply
    1,089,125.90x = 1,634,077.65 × 458,233.10
  4. Step 4: Simplify right side
    1,089,125.90x = 748,788,467,200.22
  5. Step 5: Solve for x
    x = 748,788,467,200.22/1,089,125.90
  6. Step 6: Final answer
    x = 687,513.23

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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.