Home / 1,667,370.24-2,501,055.36-405,198.72

Finding the Fourth Proportional to 1,667,370.24, 2,501,055.36 and 405,198.72

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Solution

The fourth proportional to 1,667,370.24, 2,501,055.36 and 405,198.72 is: 607,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,370.24 : 2,501,055.36 = 405,198.72 : x
  2. Step 2: Convert to fraction form
    1,667,370.24/2,501,055.36 = 405,198.72/x
  3. Step 3: Cross multiply
    1,667,370.24x = 2,501,055.36 × 405,198.72
  4. Step 4: Simplify right side
    1,667,370.24x = 1,013,424,430,521.14
  5. Step 5: Solve for x
    x = 1,013,424,430,521.14/1,667,370.24
  6. Step 6: Final answer
    x = 607,798.08

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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.