Home / 1,036,144.80-1,554,304.64-288,190.80

Finding the Fourth Proportional to 1,036,144.80, 1,554,304.64 and 288,190.80

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Solution

The fourth proportional to 1,036,144.80, 1,554,304.64 and 288,190.80 is: 432,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,144.80 : 1,554,304.64 = 288,190.80 : x
  2. Step 2: Convert to fraction form
    1,036,144.80/1,554,304.64 = 288,190.80/x
  3. Step 3: Cross multiply
    1,036,144.80x = 1,554,304.64 × 288,190.80
  4. Step 4: Simplify right side
    1,036,144.80x = 447,936,297,645.31
  5. Step 5: Solve for x
    x = 447,936,297,645.31/1,036,144.80
  6. Step 6: Final answer
    x = 432,310.52

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Double scale
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Similar ratio
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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.