Home / 1,406,608.49-2,109,912.68-648,225.58

Finding the Fourth Proportional to 1,406,608.49, 2,109,912.68 and 648,225.58

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Solution

The fourth proportional to 1,406,608.49, 2,109,912.68 and 648,225.58 is: 972,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,608.49 : 2,109,912.68 = 648,225.58 : x
  2. Step 2: Convert to fraction form
    1,406,608.49/2,109,912.68 = 648,225.58/x
  3. Step 3: Cross multiply
    1,406,608.49x = 2,109,912.68 × 648,225.58
  4. Step 4: Simplify right side
    1,406,608.49x = 1,367,699,362,226.44
  5. Step 5: Solve for x
    x = 1,367,699,362,226.44/1,406,608.49
  6. Step 6: Final answer
    x = 972,338.34

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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.