Home / 1,434,801.42-1,979,879.43-883,429.56

Finding the Fourth Proportional to 1,434,801.42, 1,979,879.43 and 883,429.56

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Solution

The fourth proportional to 1,434,801.42, 1,979,879.43 and 883,429.56 is: 1,219,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,801.42 : 1,979,879.43 = 883,429.56 : x
  2. Step 2: Convert to fraction form
    1,434,801.42/1,979,879.43 = 883,429.56/x
  3. Step 3: Cross multiply
    1,434,801.42x = 1,979,879.43 × 883,429.56
  4. Step 4: Simplify right side
    1,434,801.42x = 1,749,084,013,697.95
  5. Step 5: Solve for x
    x = 1,749,084,013,697.95/1,434,801.42
  6. Step 6: Final answer
    x = 1,219,042.57

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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.