Home / 1,487,376-2,057,983.20-1,296,786.24

Finding the Fourth Proportional to 1,487,376, 2,057,983.20 and 1,296,786.24

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Solution

The fourth proportional to 1,487,376, 2,057,983.20 and 1,296,786.24 is: 1,794,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,376 : 2,057,983.20 = 1,296,786.24 : x
  2. Step 2: Convert to fraction form
    1,487,376/2,057,983.20 = 1,296,786.24/x
  3. Step 3: Cross multiply
    1,487,376x = 2,057,983.20 × 1,296,786.24
  4. Step 4: Simplify right side
    1,487,376x = 2,668,764,295,911.17
  5. Step 5: Solve for x
    x = 2,668,764,295,911.17/1,487,376
  6. Step 6: Final answer
    x = 1,794,276.83

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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.