Home / 1,090,862.72-1,504,991.04-660,832.64

Finding the Fourth Proportional to 1,090,862.72, 1,504,991.04 and 660,832.64

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Solution

The fourth proportional to 1,090,862.72, 1,504,991.04 and 660,832.64 is: 911,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,862.72 : 1,504,991.04 = 660,832.64 : x
  2. Step 2: Convert to fraction form
    1,090,862.72/1,504,991.04 = 660,832.64/x
  3. Step 3: Cross multiply
    1,090,862.72x = 1,504,991.04 × 660,832.64
  4. Step 4: Simplify right side
    1,090,862.72x = 994,547,202,139.55
  5. Step 5: Solve for x
    x = 994,547,202,139.55/1,090,862.72
  6. Step 6: Final answer
    x = 911,707.02

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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.