Home / 1,089,754.88-1,631,483.04-690,846.08

Finding the Fourth Proportional to 1,089,754.88, 1,631,483.04 and 690,846.08

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Solution

The fourth proportional to 1,089,754.88, 1,631,483.04 and 690,846.08 is: 1,034,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,754.88 : 1,631,483.04 = 690,846.08 : x
  2. Step 2: Convert to fraction form
    1,089,754.88/1,631,483.04 = 690,846.08/x
  3. Step 3: Cross multiply
    1,089,754.88x = 1,631,483.04 × 690,846.08
  4. Step 4: Simplify right side
    1,089,754.88x = 1,127,103,662,770.48
  5. Step 5: Solve for x
    x = 1,127,103,662,770.48/1,089,754.88
  6. Step 6: Final answer
    x = 1,034,272.65

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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.