Home / 1,433,403.30-1,978,096.89-788,823.48

Finding the Fourth Proportional to 1,433,403.30, 1,978,096.89 and 788,823.48

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Solution

The fourth proportional to 1,433,403.30, 1,978,096.89 and 788,823.48 is: 1,088,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,403.30 : 1,978,096.89 = 788,823.48 : x
  2. Step 2: Convert to fraction form
    1,433,403.30/1,978,096.89 = 788,823.48/x
  3. Step 3: Cross multiply
    1,433,403.30x = 1,978,096.89 × 788,823.48
  4. Step 4: Simplify right side
    1,433,403.30x = 1,560,369,272,546.98
  5. Step 5: Solve for x
    x = 1,560,369,272,546.98/1,433,403.30
  6. Step 6: Final answer
    x = 1,088,576.59

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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.