Home / 1,450,012.80-2,175,019.20-1,213,816.80

Finding the Fourth Proportional to 1,450,012.80, 2,175,019.20 and 1,213,816.80

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Solution

The fourth proportional to 1,450,012.80, 2,175,019.20 and 1,213,816.80 is: 1,820,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,012.80 : 2,175,019.20 = 1,213,816.80 : x
  2. Step 2: Convert to fraction form
    1,450,012.80/2,175,019.20 = 1,213,816.80/x
  3. Step 3: Cross multiply
    1,450,012.80x = 2,175,019.20 × 1,213,816.80
  4. Step 4: Simplify right side
    1,450,012.80x = 2,640,074,845,282.56
  5. Step 5: Solve for x
    x = 2,640,074,845,282.56/1,450,012.80
  6. Step 6: Final answer
    x = 1,820,725.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.