Home / 1,342,768.70-1,853,044.45-730,939.05

Finding the Fourth Proportional to 1,342,768.70, 1,853,044.45 and 730,939.05

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Solution

The fourth proportional to 1,342,768.70, 1,853,044.45 and 730,939.05 is: 1,008,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,768.70 : 1,853,044.45 = 730,939.05 : x
  2. Step 2: Convert to fraction form
    1,342,768.70/1,853,044.45 = 730,939.05/x
  3. Step 3: Cross multiply
    1,342,768.70x = 1,853,044.45 × 730,939.05
  4. Step 4: Simplify right side
    1,342,768.70x = 1,354,462,548,063.43
  5. Step 5: Solve for x
    x = 1,354,462,548,063.43/1,342,768.70
  6. Step 6: Final answer
    x = 1,008,708.76

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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.