Home / 1,404,789.08-2,106,945.93-393,678.34

Finding the Fourth Proportional to 1,404,789.08, 2,106,945.93 and 393,678.34

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Solution

The fourth proportional to 1,404,789.08, 2,106,945.93 and 393,678.34 is: 590,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,789.08 : 2,106,945.93 = 393,678.34 : x
  2. Step 2: Convert to fraction form
    1,404,789.08/2,106,945.93 = 393,678.34/x
  3. Step 3: Cross multiply
    1,404,789.08x = 2,106,945.93 × 393,678.34
  4. Step 4: Simplify right side
    1,404,789.08x = 829,458,973,149.54
  5. Step 5: Solve for x
    x = 829,458,973,149.54/1,404,789.08
  6. Step 6: Final answer
    x = 590,450.90

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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.