Home / 1,090,665.34-1,504,728.54-631,529.26

Finding the Fourth Proportional to 1,090,665.34, 1,504,728.54 and 631,529.26

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Solution

The fourth proportional to 1,090,665.34, 1,504,728.54 and 631,529.26 is: 871,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,665.34 : 1,504,728.54 = 631,529.26 : x
  2. Step 2: Convert to fraction form
    1,090,665.34/1,504,728.54 = 631,529.26/x
  3. Step 3: Cross multiply
    1,090,665.34x = 1,504,728.54 × 631,529.26
  4. Step 4: Simplify right side
    1,090,665.34x = 950,280,101,367.08
  5. Step 5: Solve for x
    x = 950,280,101,367.08/1,090,665.34
  6. Step 6: Final answer
    x = 871,284.77

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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.