Home / 1,508,418-2,081,656.26-820,136.16

Finding the Fourth Proportional to 1,508,418, 2,081,656.26 and 820,136.16

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Solution

The fourth proportional to 1,508,418, 2,081,656.26 and 820,136.16 is: 1,131,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,418 : 2,081,656.26 = 820,136.16 : x
  2. Step 2: Convert to fraction form
    1,508,418/2,081,656.26 = 820,136.16/x
  3. Step 3: Cross multiply
    1,508,418x = 2,081,656.26 × 820,136.16
  4. Step 4: Simplify right side
    1,508,418x = 1,707,241,571,516.36
  5. Step 5: Solve for x
    x = 1,707,241,571,516.36/1,508,418
  6. Step 6: Final answer
    x = 1,131,809.33

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1.5x scale

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.