Home / 1,433,677.37-1,978,474.66-780,308.07

Finding the Fourth Proportional to 1,433,677.37, 1,978,474.66 and 780,308.07

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Solution

The fourth proportional to 1,433,677.37, 1,978,474.66 and 780,308.07 is: 1,076,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,677.37 : 1,978,474.66 = 780,308.07 : x
  2. Step 2: Convert to fraction form
    1,433,677.37/1,978,474.66 = 780,308.07/x
  3. Step 3: Cross multiply
    1,433,677.37x = 1,978,474.66 × 780,308.07
  4. Step 4: Simplify right side
    1,433,677.37x = 1,543,819,743,488.51
  5. Step 5: Solve for x
    x = 1,543,819,743,488.51/1,433,677.37
  6. Step 6: Final answer
    x = 1,076,825.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.