Home / 1,398,334.32-1,929,714.84-794,726.64

Finding the Fourth Proportional to 1,398,334.32, 1,929,714.84 and 794,726.64

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Solution

The fourth proportional to 1,398,334.32, 1,929,714.84 and 794,726.64 is: 1,096,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,334.32 : 1,929,714.84 = 794,726.64 : x
  2. Step 2: Convert to fraction form
    1,398,334.32/1,929,714.84 = 794,726.64/x
  3. Step 3: Cross multiply
    1,398,334.32x = 1,929,714.84 × 794,726.64
  4. Step 4: Simplify right side
    1,398,334.32x = 1,533,595,790,951.34
  5. Step 5: Solve for x
    x = 1,533,595,790,951.34/1,398,334.32
  6. Step 6: Final answer
    x = 1,096,730.42

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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.