Home / 1,051,733.87-1,453,844.54-938,138.35

Finding the Fourth Proportional to 1,051,733.87, 1,453,844.54 and 938,138.35

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Solution

The fourth proportional to 1,051,733.87, 1,453,844.54 and 938,138.35 is: 1,296,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,733.87 : 1,453,844.54 = 938,138.35 : x
  2. Step 2: Convert to fraction form
    1,051,733.87/1,453,844.54 = 938,138.35/x
  3. Step 3: Cross multiply
    1,051,733.87x = 1,453,844.54 × 938,138.35
  4. Step 4: Simplify right side
    1,051,733.87x = 1,363,907,317,912.11
  5. Step 5: Solve for x
    x = 1,363,907,317,912.11/1,051,733.87
  6. Step 6: Final answer
    x = 1,296,817.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.