Home / 1,507,939.44-2,261,907.72-386,006.64

Finding the Fourth Proportional to 1,507,939.44, 2,261,907.72 and 386,006.64

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Solution

The fourth proportional to 1,507,939.44, 2,261,907.72 and 386,006.64 is: 579,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,939.44 : 2,261,907.72 = 386,006.64 : x
  2. Step 2: Convert to fraction form
    1,507,939.44/2,261,907.72 = 386,006.64/x
  3. Step 3: Cross multiply
    1,507,939.44x = 2,261,907.72 × 386,006.64
  4. Step 4: Simplify right side
    1,507,939.44x = 873,111,398,987.26
  5. Step 5: Solve for x
    x = 873,111,398,987.26/1,507,939.44
  6. Step 6: Final answer
    x = 579,009.59

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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.