Home / 1,089,459.20-1,632,244.80-527,254.40

Finding the Fourth Proportional to 1,089,459.20, 1,632,244.80 and 527,254.40

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Solution

The fourth proportional to 1,089,459.20, 1,632,244.80 and 527,254.40 is: 789,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,459.20 : 1,632,244.80 = 527,254.40 : x
  2. Step 2: Convert to fraction form
    1,089,459.20/1,632,244.80 = 527,254.40/x
  3. Step 3: Cross multiply
    1,089,459.20x = 1,632,244.80 × 527,254.40
  4. Step 4: Simplify right side
    1,089,459.20x = 860,608,252,677.12
  5. Step 5: Solve for x
    x = 860,608,252,677.12/1,089,459.20
  6. Step 6: Final answer
    x = 789,940.78

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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.