Home / 1,188,239.42-1,779,452.34-1,073,093.87

Finding the Fourth Proportional to 1,188,239.42, 1,779,452.34 and 1,073,093.87

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Solution

The fourth proportional to 1,188,239.42, 1,779,452.34 and 1,073,093.87 is: 1,607,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,239.42 : 1,779,452.34 = 1,073,093.87 : x
  2. Step 2: Convert to fraction form
    1,188,239.42/1,779,452.34 = 1,073,093.87/x
  3. Step 3: Cross multiply
    1,188,239.42x = 1,779,452.34 × 1,073,093.87
  4. Step 4: Simplify right side
    1,188,239.42x = 1,909,519,389,113.89
  5. Step 5: Solve for x
    x = 1,909,519,389,113.89/1,188,239.42
  6. Step 6: Final answer
    x = 1,607,015.69

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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.