Home / 1,042,739.58-1,438,238.56-956,975.56

Finding the Fourth Proportional to 1,042,739.58, 1,438,238.56 and 956,975.56

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Solution

The fourth proportional to 1,042,739.58, 1,438,238.56 and 956,975.56 is: 1,319,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,739.58 : 1,438,238.56 = 956,975.56 : x
  2. Step 2: Convert to fraction form
    1,042,739.58/1,438,238.56 = 956,975.56/x
  3. Step 3: Cross multiply
    1,042,739.58x = 1,438,238.56 × 956,975.56
  4. Step 4: Simplify right side
    1,042,739.58x = 1,376,359,151,369.59
  5. Step 5: Solve for x
    x = 1,376,359,151,369.59/1,042,739.58
  6. Step 6: Final answer
    x = 1,319,945.25

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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.