Home / 1,433,403.56-1,978,097.22-788,823.75

Finding the Fourth Proportional to 1,433,403.56, 1,978,097.22 and 788,823.75

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Solution

The fourth proportional to 1,433,403.56, 1,978,097.22 and 788,823.75 is: 1,088,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,403.56 : 1,978,097.22 = 788,823.75 : x
  2. Step 2: Convert to fraction form
    1,433,403.56/1,978,097.22 = 788,823.75/x
  3. Step 3: Cross multiply
    1,433,403.56x = 1,978,097.22 × 788,823.75
  4. Step 4: Simplify right side
    1,433,403.56x = 1,560,370,066,944.98
  5. Step 5: Solve for x
    x = 1,560,370,066,944.98/1,433,403.56
  6. Step 6: Final answer
    x = 1,088,576.94

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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.