Home / 1,540,801.53-2,126,987.13-920,825.42

Finding the Fourth Proportional to 1,540,801.53, 2,126,987.13 and 920,825.42

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Solution

The fourth proportional to 1,540,801.53, 2,126,987.13 and 920,825.42 is: 1,271,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,801.53 : 2,126,987.13 = 920,825.42 : x
  2. Step 2: Convert to fraction form
    1,540,801.53/2,126,987.13 = 920,825.42/x
  3. Step 3: Cross multiply
    1,540,801.53x = 2,126,987.13 × 920,825.42
  4. Step 4: Simplify right side
    1,540,801.53x = 1,958,583,802,077.78
  5. Step 5: Solve for x
    x = 1,958,583,802,077.78/1,540,801.53
  6. Step 6: Final answer
    x = 1,271,146.07

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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.