Home / 1,515,045.62-2,091,519.89-942,270.42

Finding the Fourth Proportional to 1,515,045.62, 2,091,519.89 and 942,270.42

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Solution

The fourth proportional to 1,515,045.62, 2,091,519.89 and 942,270.42 is: 1,300,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,045.62 : 2,091,519.89 = 942,270.42 : x
  2. Step 2: Convert to fraction form
    1,515,045.62/2,091,519.89 = 942,270.42/x
  3. Step 3: Cross multiply
    1,515,045.62x = 2,091,519.89 × 942,270.42
  4. Step 4: Simplify right side
    1,515,045.62x = 1,970,777,325,188.65
  5. Step 5: Solve for x
    x = 1,970,777,325,188.65/1,515,045.62
  6. Step 6: Final answer
    x = 1,300,803.95

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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.