Home / 1,507,808.56-2,080,791.84-819,480.40

Finding the Fourth Proportional to 1,507,808.56, 2,080,791.84 and 819,480.40

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Solution

The fourth proportional to 1,507,808.56, 2,080,791.84 and 819,480.40 is: 1,130,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,808.56 : 2,080,791.84 = 819,480.40 : x
  2. Step 2: Convert to fraction form
    1,507,808.56/2,080,791.84 = 819,480.40/x
  3. Step 3: Cross multiply
    1,507,808.56x = 2,080,791.84 × 819,480.40
  4. Step 4: Simplify right side
    1,507,808.56x = 1,705,168,129,359.94
  5. Step 5: Solve for x
    x = 1,705,168,129,359.94/1,507,808.56
  6. Step 6: Final answer
    x = 1,130,891.66

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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.