Home / 1,238,020.03-1,855,431.73-554,406.36

Finding the Fourth Proportional to 1,238,020.03, 1,855,431.73 and 554,406.36

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Solution

The fourth proportional to 1,238,020.03, 1,855,431.73 and 554,406.36 is: 830,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,020.03 : 1,855,431.73 = 554,406.36 : x
  2. Step 2: Convert to fraction form
    1,238,020.03/1,855,431.73 = 554,406.36/x
  3. Step 3: Cross multiply
    1,238,020.03x = 1,855,431.73 × 554,406.36
  4. Step 4: Simplify right side
    1,238,020.03x = 1,028,663,146,177.19
  5. Step 5: Solve for x
    x = 1,028,663,146,177.19/1,238,020.03
  6. Step 6: Final answer
    x = 830,893.79

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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.