Home / 1,194,116.40-1,646,139.78-907,138.26

Finding the Fourth Proportional to 1,194,116.40, 1,646,139.78 and 907,138.26

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Solution

The fourth proportional to 1,194,116.40, 1,646,139.78 and 907,138.26 is: 1,250,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,116.40 : 1,646,139.78 = 907,138.26 : x
  2. Step 2: Convert to fraction form
    1,194,116.40/1,646,139.78 = 907,138.26/x
  3. Step 3: Cross multiply
    1,194,116.40x = 1,646,139.78 × 907,138.26
  4. Step 4: Simplify right side
    1,194,116.40x = 1,493,276,375,745.98
  5. Step 5: Solve for x
    x = 1,493,276,375,745.98/1,194,116.40
  6. Step 6: Final answer
    x = 1,250,528.32

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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.