Home / 1,089,755.88-1,631,484.54-690,847.08

Finding the Fourth Proportional to 1,089,755.88, 1,631,484.54 and 690,847.08

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Solution

The fourth proportional to 1,089,755.88, 1,631,484.54 and 690,847.08 is: 1,034,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,755.88 : 1,631,484.54 = 690,847.08 : x
  2. Step 2: Convert to fraction form
    1,089,755.88/1,631,484.54 = 690,847.08/x
  3. Step 3: Cross multiply
    1,089,755.88x = 1,631,484.54 × 690,847.08
  4. Step 4: Simplify right side
    1,089,755.88x = 1,127,106,330,524.14
  5. Step 5: Solve for x
    x = 1,127,106,330,524.14/1,089,755.88
  6. Step 6: Final answer
    x = 1,034,274.14

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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.