Home / 1,423,986.03-2,135,706.89-426,714.03

Finding the Fourth Proportional to 1,423,986.03, 2,135,706.89 and 426,714.03

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Solution

The fourth proportional to 1,423,986.03, 2,135,706.89 and 426,714.03 is: 639,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,986.03 : 2,135,706.89 = 426,714.03 : x
  2. Step 2: Convert to fraction form
    1,423,986.03/2,135,706.89 = 426,714.03/x
  3. Step 3: Cross multiply
    1,423,986.03x = 2,135,706.89 × 426,714.03
  4. Step 4: Simplify right side
    1,423,986.03x = 911,336,091,797.10
  5. Step 5: Solve for x
    x = 911,336,091,797.10/1,423,986.03
  6. Step 6: Final answer
    x = 639,989.49

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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.