Home / 2,856,628.51-4,284,967.87-726,714.88

Finding the Fourth Proportional to 2,856,628.51, 4,284,967.87 and 726,714.88

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Solution

The fourth proportional to 2,856,628.51, 4,284,967.87 and 726,714.88 is: 1,090,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,628.51 : 4,284,967.87 = 726,714.88 : x
  2. Step 2: Convert to fraction form
    2,856,628.51/4,284,967.87 = 726,714.88/x
  3. Step 3: Cross multiply
    2,856,628.51x = 4,284,967.87 × 726,714.88
  4. Step 4: Simplify right side
    2,856,628.51x = 3,113,949,890,026.07
  5. Step 5: Solve for x
    x = 3,113,949,890,026.07/2,856,628.51
  6. Step 6: Final answer
    x = 1,090,078.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.