Home / 1,307,043.36-1,803,828.96-734,198.40

Finding the Fourth Proportional to 1,307,043.36, 1,803,828.96 and 734,198.40

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Solution

The fourth proportional to 1,307,043.36, 1,803,828.96 and 734,198.40 is: 1,013,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,043.36 : 1,803,828.96 = 734,198.40 : x
  2. Step 2: Convert to fraction form
    1,307,043.36/1,803,828.96 = 734,198.40/x
  3. Step 3: Cross multiply
    1,307,043.36x = 1,803,828.96 × 734,198.40
  4. Step 4: Simplify right side
    1,307,043.36x = 1,324,368,336,305.66
  5. Step 5: Solve for x
    x = 1,324,368,336,305.66/1,307,043.36
  6. Step 6: Final answer
    x = 1,013,255.09

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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.