Home / 1,648,906.12-2,275,485.37-913,907.26

Finding the Fourth Proportional to 1,648,906.12, 2,275,485.37 and 913,907.26

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Solution

The fourth proportional to 1,648,906.12, 2,275,485.37 and 913,907.26 is: 1,261,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,906.12 : 2,275,485.37 = 913,907.26 : x
  2. Step 2: Convert to fraction form
    1,648,906.12/2,275,485.37 = 913,907.26/x
  3. Step 3: Cross multiply
    1,648,906.12x = 2,275,485.37 × 913,907.26
  4. Step 4: Simplify right side
    1,648,906.12x = 2,079,582,599,666.79
  5. Step 5: Solve for x
    x = 2,079,582,599,666.79/1,648,906.12
  6. Step 6: Final answer
    x = 1,261,189.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.