Home / 1,090,634.81-1,504,686.53-631,498.80

Finding the Fourth Proportional to 1,090,634.81, 1,504,686.53 and 631,498.80

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Solution

The fourth proportional to 1,090,634.81, 1,504,686.53 and 631,498.80 is: 871,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,634.81 : 1,504,686.53 = 631,498.80 : x
  2. Step 2: Convert to fraction form
    1,090,634.81/1,504,686.53 = 631,498.80/x
  3. Step 3: Cross multiply
    1,090,634.81x = 1,504,686.53 × 631,498.80
  4. Step 4: Simplify right side
    1,090,634.81x = 950,207,734,913.67
  5. Step 5: Solve for x
    x = 950,207,734,913.67/1,090,634.81
  6. Step 6: Final answer
    x = 871,242.81

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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.