Home / 1,264,180.91-1,745,044.06-828,626.32

Finding the Fourth Proportional to 1,264,180.91, 1,745,044.06 and 828,626.32

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Solution

The fourth proportional to 1,264,180.91, 1,745,044.06 and 828,626.32 is: 1,143,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,180.91 : 1,745,044.06 = 828,626.32 : x
  2. Step 2: Convert to fraction form
    1,264,180.91/1,745,044.06 = 828,626.32/x
  3. Step 3: Cross multiply
    1,264,180.91x = 1,745,044.06 × 828,626.32
  4. Step 4: Simplify right side
    1,264,180.91x = 1,445,989,428,950.44
  5. Step 5: Solve for x
    x = 1,445,989,428,950.44/1,264,180.91
  6. Step 6: Final answer
    x = 1,143,815.27

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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.