Home / 1,211,442.80-1,815,195.90-1,010,676.20

Finding the Fourth Proportional to 1,211,442.80, 1,815,195.90 and 1,010,676.20

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Solution

The fourth proportional to 1,211,442.80, 1,815,195.90 and 1,010,676.20 is: 1,514,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,442.80 : 1,815,195.90 = 1,010,676.20 : x
  2. Step 2: Convert to fraction form
    1,211,442.80/1,815,195.90 = 1,010,676.20/x
  3. Step 3: Cross multiply
    1,211,442.80x = 1,815,195.90 × 1,010,676.20
  4. Step 4: Simplify right side
    1,211,442.80x = 1,834,575,294,467.58
  5. Step 5: Solve for x
    x = 1,834,575,294,467.58/1,211,442.80
  6. Step 6: Final answer
    x = 1,514,372.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.