Home / 1,021,605.80-1,531,315.20-347,062.10

Finding the Fourth Proportional to 1,021,605.80, 1,531,315.20 and 347,062.10

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Solution

The fourth proportional to 1,021,605.80, 1,531,315.20 and 347,062.10 is: 520,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,605.80 : 1,531,315.20 = 347,062.10 : x
  2. Step 2: Convert to fraction form
    1,021,605.80/1,531,315.20 = 347,062.10/x
  3. Step 3: Cross multiply
    1,021,605.80x = 1,531,315.20 × 347,062.10
  4. Step 4: Simplify right side
    1,021,605.80x = 531,461,469,073.92
  5. Step 5: Solve for x
    x = 531,461,469,073.92/1,021,605.80
  6. Step 6: Final answer
    x = 520,221.66

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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.