Home / 1,293,714.12-1,785,170.66-742,401.64

Finding the Fourth Proportional to 1,293,714.12, 1,785,170.66 and 742,401.64

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Solution

The fourth proportional to 1,293,714.12, 1,785,170.66 and 742,401.64 is: 1,024,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,714.12 : 1,785,170.66 = 742,401.64 : x
  2. Step 2: Convert to fraction form
    1,293,714.12/1,785,170.66 = 742,401.64/x
  3. Step 3: Cross multiply
    1,293,714.12x = 1,785,170.66 × 742,401.64
  4. Step 4: Simplify right side
    1,293,714.12x = 1,325,313,625,663.88
  5. Step 5: Solve for x
    x = 1,325,313,625,663.88/1,293,714.12
  6. Step 6: Final answer
    x = 1,024,425.42

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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.