Home / 1,049,705.51-1,449,290.81-807,560.87

Finding the Fourth Proportional to 1,049,705.51, 1,449,290.81 and 807,560.87

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Solution

The fourth proportional to 1,049,705.51, 1,449,290.81 and 807,560.87 is: 1,114,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,705.51 : 1,449,290.81 = 807,560.87 : x
  2. Step 2: Convert to fraction form
    1,049,705.51/1,449,290.81 = 807,560.87/x
  3. Step 3: Cross multiply
    1,049,705.51x = 1,449,290.81 × 807,560.87
  4. Step 4: Simplify right side
    1,049,705.51x = 1,170,390,542,179.05
  5. Step 5: Solve for x
    x = 1,170,390,542,179.05/1,049,705.51
  6. Step 6: Final answer
    x = 1,114,970.38

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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.