Home / 1,109,940.30-1,664,181.45-435,615.30

Finding the Fourth Proportional to 1,109,940.30, 1,664,181.45 and 435,615.30

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Solution

The fourth proportional to 1,109,940.30, 1,664,181.45 and 435,615.30 is: 653,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,940.30 : 1,664,181.45 = 435,615.30 : x
  2. Step 2: Convert to fraction form
    1,109,940.30/1,664,181.45 = 435,615.30/x
  3. Step 3: Cross multiply
    1,109,940.30x = 1,664,181.45 × 435,615.30
  4. Step 4: Simplify right side
    1,109,940.30x = 724,942,901,596.19
  5. Step 5: Solve for x
    x = 724,942,901,596.19/1,109,940.30
  6. Step 6: Final answer
    x = 653,136.84

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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.