Home / 1,181,530.49-1,629,855.51-774,289.22

Finding the Fourth Proportional to 1,181,530.49, 1,629,855.51 and 774,289.22

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Solution

The fourth proportional to 1,181,530.49, 1,629,855.51 and 774,289.22 is: 1,068,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,530.49 : 1,629,855.51 = 774,289.22 : x
  2. Step 2: Convert to fraction form
    1,181,530.49/1,629,855.51 = 774,289.22/x
  3. Step 3: Cross multiply
    1,181,530.49x = 1,629,855.51 × 774,289.22
  4. Step 4: Simplify right side
    1,181,530.49x = 1,261,979,543,401.32
  5. Step 5: Solve for x
    x = 1,261,979,543,401.32/1,181,530.49
  6. Step 6: Final answer
    x = 1,068,088.86

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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.