Home / 1,214,008.30-1,821,012.45-654,136.30

Finding the Fourth Proportional to 1,214,008.30, 1,821,012.45 and 654,136.30

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Solution

The fourth proportional to 1,214,008.30, 1,821,012.45 and 654,136.30 is: 981,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,008.30 : 1,821,012.45 = 654,136.30 : x
  2. Step 2: Convert to fraction form
    1,214,008.30/1,821,012.45 = 654,136.30/x
  3. Step 3: Cross multiply
    1,214,008.30x = 1,821,012.45 × 654,136.30
  4. Step 4: Simplify right side
    1,214,008.30x = 1,191,190,346,296.94
  5. Step 5: Solve for x
    x = 1,191,190,346,296.94/1,214,008.30
  6. Step 6: Final answer
    x = 981,204.45

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Similar ratio
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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.