Home / 1,690,884.62-2,333,412.22-916,512.34

Finding the Fourth Proportional to 1,690,884.62, 2,333,412.22 and 916,512.34

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Solution

The fourth proportional to 1,690,884.62, 2,333,412.22 and 916,512.34 is: 1,264,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,884.62 : 2,333,412.22 = 916,512.34 : x
  2. Step 2: Convert to fraction form
    1,690,884.62/2,333,412.22 = 916,512.34/x
  3. Step 3: Cross multiply
    1,690,884.62x = 2,333,412.22 × 916,512.34
  4. Step 4: Simplify right side
    1,690,884.62x = 2,138,601,093,936.80
  5. Step 5: Solve for x
    x = 2,138,601,093,936.80/1,690,884.62
  6. Step 6: Final answer
    x = 1,264,782.39

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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.