Home / 1,069,280.66-1,603,907.14-259,671.71

Finding the Fourth Proportional to 1,069,280.66, 1,603,907.14 and 259,671.71

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Solution

The fourth proportional to 1,069,280.66, 1,603,907.14 and 259,671.71 is: 389,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,280.66 : 1,603,907.14 = 259,671.71 : x
  2. Step 2: Convert to fraction form
    1,069,280.66/1,603,907.14 = 259,671.71/x
  3. Step 3: Cross multiply
    1,069,280.66x = 1,603,907.14 × 259,671.71
  4. Step 4: Simplify right side
    1,069,280.66x = 416,489,309,725.01
  5. Step 5: Solve for x
    x = 416,489,309,725.01/1,069,280.66
  6. Step 6: Final answer
    x = 389,504.20

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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.