Home / 1,084,702.12-1,627,147.14-285,977.32

Finding the Fourth Proportional to 1,084,702.12, 1,627,147.14 and 285,977.32

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Solution

The fourth proportional to 1,084,702.12, 1,627,147.14 and 285,977.32 is: 428,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,702.12 : 1,627,147.14 = 285,977.32 : x
  2. Step 2: Convert to fraction form
    1,084,702.12/1,627,147.14 = 285,977.32/x
  3. Step 3: Cross multiply
    1,084,702.12x = 1,627,147.14 × 285,977.32
  4. Step 4: Simplify right side
    1,084,702.12x = 465,327,178,342.87
  5. Step 5: Solve for x
    x = 465,327,178,342.87/1,084,702.12
  6. Step 6: Final answer
    x = 428,990.75

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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.