Home / 1,008,467.21-1,391,684.77-555,758.21

Finding the Fourth Proportional to 1,008,467.21, 1,391,684.77 and 555,758.21

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Solution

The fourth proportional to 1,008,467.21, 1,391,684.77 and 555,758.21 is: 766,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,467.21 : 1,391,684.77 = 555,758.21 : x
  2. Step 2: Convert to fraction form
    1,008,467.21/1,391,684.77 = 555,758.21/x
  3. Step 3: Cross multiply
    1,008,467.21x = 1,391,684.77 × 555,758.21
  4. Step 4: Simplify right side
    1,008,467.21x = 773,440,236,659.46
  5. Step 5: Solve for x
    x = 773,440,236,659.46/1,008,467.21
  6. Step 6: Final answer
    x = 766,946.34

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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.