Home / 746,702.40-1,120,057.64-185,736.90

Finding the Fourth Proportional to 746,702.40, 1,120,057.64 and 185,736.90

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Solution

The fourth proportional to 746,702.40, 1,120,057.64 and 185,736.90 is: 278,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,702.40 : 1,120,057.64 = 185,736.90 : x
  2. Step 2: Convert to fraction form
    746,702.40/1,120,057.64 = 185,736.90/x
  3. Step 3: Cross multiply
    746,702.40x = 1,120,057.64 × 185,736.90
  4. Step 4: Simplify right side
    746,702.40x = 208,036,033,874.92
  5. Step 5: Solve for x
    x = 208,036,033,874.92/746,702.40
  6. Step 6: Final answer
    x = 278,606.35

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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.