Home / 1,022,720.50-1,534,302.20-391,634.34

Finding the Fourth Proportional to 1,022,720.50, 1,534,302.20 and 391,634.34

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Solution

The fourth proportional to 1,022,720.50, 1,534,302.20 and 391,634.34 is: 587,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,720.50 : 1,534,302.20 = 391,634.34 : x
  2. Step 2: Convert to fraction form
    1,022,720.50/1,534,302.20 = 391,634.34/x
  3. Step 3: Cross multiply
    1,022,720.50x = 1,534,302.20 × 391,634.34
  4. Step 4: Simplify right side
    1,022,720.50x = 600,885,429,457.55
  5. Step 5: Solve for x
    x = 600,885,429,457.55/1,022,720.50
  6. Step 6: Final answer
    x = 587,536.31

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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.