Home / 1,645,756.90-2,270,229.69-957,351.30

Finding the Fourth Proportional to 1,645,756.90, 2,270,229.69 and 957,351.30

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Solution

The fourth proportional to 1,645,756.90, 2,270,229.69 and 957,351.30 is: 1,320,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,756.90 : 2,270,229.69 = 957,351.30 : x
  2. Step 2: Convert to fraction form
    1,645,756.90/2,270,229.69 = 957,351.30/x
  3. Step 3: Cross multiply
    1,645,756.90x = 2,270,229.69 × 957,351.30
  4. Step 4: Simplify right side
    1,645,756.90x = 2,173,407,345,020.10
  5. Step 5: Solve for x
    x = 2,173,407,345,020.10/1,645,756.90
  6. Step 6: Final answer
    x = 1,320,612.63

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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.