Home / 1,090,620.93-1,504,667.31-631,484.88

Finding the Fourth Proportional to 1,090,620.93, 1,504,667.31 and 631,484.88

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Solution

The fourth proportional to 1,090,620.93, 1,504,667.31 and 631,484.88 is: 871,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,620.93 : 1,504,667.31 = 631,484.88 : x
  2. Step 2: Convert to fraction form
    1,090,620.93/1,504,667.31 = 631,484.88/x
  3. Step 3: Cross multiply
    1,090,620.93x = 1,504,667.31 × 631,484.88
  4. Step 4: Simplify right side
    1,090,620.93x = 950,174,655,695.27
  5. Step 5: Solve for x
    x = 950,174,655,695.27/1,090,620.93
  6. Step 6: Final answer
    x = 871,223.57

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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.