Home / 1,080,637.56-1,619,507.34-841,040.72

Finding the Fourth Proportional to 1,080,637.56, 1,619,507.34 and 841,040.72

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Solution

The fourth proportional to 1,080,637.56, 1,619,507.34 and 841,040.72 is: 1,260,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,637.56 : 1,619,507.34 = 841,040.72 : x
  2. Step 2: Convert to fraction form
    1,080,637.56/1,619,507.34 = 841,040.72/x
  3. Step 3: Cross multiply
    1,080,637.56x = 1,619,507.34 × 841,040.72
  4. Step 4: Simplify right side
    1,080,637.56x = 1,362,071,619,278.88
  5. Step 5: Solve for x
    x = 1,362,071,619,278.88/1,080,637.56
  6. Step 6: Final answer
    x = 1,260,433.35

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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.