Home / 1,091,356.74-1,505,530.67-729,266.22

Finding the Fourth Proportional to 1,091,356.74, 1,505,530.67 and 729,266.22

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Solution

The fourth proportional to 1,091,356.74, 1,505,530.67 and 729,266.22 is: 1,006,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,356.74 : 1,505,530.67 = 729,266.22 : x
  2. Step 2: Convert to fraction form
    1,091,356.74/1,505,530.67 = 729,266.22/x
  3. Step 3: Cross multiply
    1,091,356.74x = 1,505,530.67 × 729,266.22
  4. Step 4: Simplify right side
    1,091,356.74x = 1,097,932,657,158.64
  5. Step 5: Solve for x
    x = 1,097,932,657,158.64/1,091,356.74
  6. Step 6: Final answer
    x = 1,006,025.45

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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.