Home / 1,185,834.68-1,778,745.62-287,275.96

Finding the Fourth Proportional to 1,185,834.68, 1,778,745.62 and 287,275.96

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Solution

The fourth proportional to 1,185,834.68, 1,778,745.62 and 287,275.96 is: 430,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,834.68 : 1,778,745.62 = 287,275.96 : x
  2. Step 2: Convert to fraction form
    1,185,834.68/1,778,745.62 = 287,275.96/x
  3. Step 3: Cross multiply
    1,185,834.68x = 1,778,745.62 × 287,275.96
  4. Step 4: Simplify right side
    1,185,834.68x = 510,990,851,852.62
  5. Step 5: Solve for x
    x = 510,990,851,852.62/1,185,834.68
  6. Step 6: Final answer
    x = 430,912.39

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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.