Home / 1,090,620.18-1,504,666.28-631,484.13

Finding the Fourth Proportional to 1,090,620.18, 1,504,666.28 and 631,484.13

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Solution

The fourth proportional to 1,090,620.18, 1,504,666.28 and 631,484.13 is: 871,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,620.18 : 1,504,666.28 = 631,484.13 : x
  2. Step 2: Convert to fraction form
    1,090,620.18/1,504,666.28 = 631,484.13/x
  3. Step 3: Cross multiply
    1,090,620.18x = 1,504,666.28 × 631,484.13
  4. Step 4: Simplify right side
    1,090,620.18x = 950,172,873,608.72
  5. Step 5: Solve for x
    x = 950,172,873,608.72/1,090,620.18
  6. Step 6: Final answer
    x = 871,222.53

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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.