Home / 1,695,915.72-2,340,253.62-970,769.16

Finding the Fourth Proportional to 1,695,915.72, 2,340,253.62 and 970,769.16

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Solution

The fourth proportional to 1,695,915.72, 2,340,253.62 and 970,769.16 is: 1,339,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,915.72 : 2,340,253.62 = 970,769.16 : x
  2. Step 2: Convert to fraction form
    1,695,915.72/2,340,253.62 = 970,769.16/x
  3. Step 3: Cross multiply
    1,695,915.72x = 2,340,253.62 × 970,769.16
  4. Step 4: Simplify right side
    1,695,915.72x = 2,271,846,040,874.36
  5. Step 5: Solve for x
    x = 2,271,846,040,874.36/1,695,915.72
  6. Step 6: Final answer
    x = 1,339,598.43

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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.