Home / 1,318,407.70-1,987,493.27-1,230,522.39

Finding the Fourth Proportional to 1,318,407.70, 1,987,493.27 and 1,230,522.39

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Solution

The fourth proportional to 1,318,407.70, 1,987,493.27 and 1,230,522.39 is: 1,855,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,407.70 : 1,987,493.27 = 1,230,522.39 : x
  2. Step 2: Convert to fraction form
    1,318,407.70/1,987,493.27 = 1,230,522.39/x
  3. Step 3: Cross multiply
    1,318,407.70x = 1,987,493.27 × 1,230,522.39
  4. Step 4: Simplify right side
    1,318,407.70x = 2,445,654,971,785.62
  5. Step 5: Solve for x
    x = 2,445,654,971,785.62/1,318,407.70
  6. Step 6: Final answer
    x = 1,855,006.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.