Home / 1,022,613.40-1,534,098.30-423,245.80

Finding the Fourth Proportional to 1,022,613.40, 1,534,098.30 and 423,245.80

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Solution

The fourth proportional to 1,022,613.40, 1,534,098.30 and 423,245.80 is: 634,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,613.40 : 1,534,098.30 = 423,245.80 : x
  2. Step 2: Convert to fraction form
    1,022,613.40/1,534,098.30 = 423,245.80/x
  3. Step 3: Cross multiply
    1,022,613.40x = 1,534,098.30 × 423,245.80
  4. Step 4: Simplify right side
    1,022,613.40x = 649,300,662,262.14
  5. Step 5: Solve for x
    x = 649,300,662,262.14/1,022,613.40
  6. Step 6: Final answer
    x = 634,942.45

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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.