Home / 1,204,079.08-1,661,616.30-660,213.16

Finding the Fourth Proportional to 1,204,079.08, 1,661,616.30 and 660,213.16

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Solution

The fourth proportional to 1,204,079.08, 1,661,616.30 and 660,213.16 is: 911,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,079.08 : 1,661,616.30 = 660,213.16 : x
  2. Step 2: Convert to fraction form
    1,204,079.08/1,661,616.30 = 660,213.16/x
  3. Step 3: Cross multiply
    1,204,079.08x = 1,661,616.30 × 660,213.16
  4. Step 4: Simplify right side
    1,204,079.08x = 1,097,020,948,130.51
  5. Step 5: Solve for x
    x = 1,097,020,948,130.51/1,204,079.08
  6. Step 6: Final answer
    x = 911,087.13

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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.