Home / 1,277,959.04-1,763,792.16-768,942.08

Finding the Fourth Proportional to 1,277,959.04, 1,763,792.16 and 768,942.08

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Solution

The fourth proportional to 1,277,959.04, 1,763,792.16 and 768,942.08 is: 1,061,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,959.04 : 1,763,792.16 = 768,942.08 : x
  2. Step 2: Convert to fraction form
    1,277,959.04/1,763,792.16 = 768,942.08/x
  3. Step 3: Cross multiply
    1,277,959.04x = 1,763,792.16 × 768,942.08
  4. Step 4: Simplify right side
    1,277,959.04x = 1,356,254,012,198.09
  5. Step 5: Solve for x
    x = 1,356,254,012,198.09/1,277,959.04
  6. Step 6: Final answer
    x = 1,061,265.64

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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.