Home / 1,211,195.58-1,815,079.52-671,689.14

Finding the Fourth Proportional to 1,211,195.58, 1,815,079.52 and 671,689.14

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Solution

The fourth proportional to 1,211,195.58, 1,815,079.52 and 671,689.14 is: 1,006,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,195.58 : 1,815,079.52 = 671,689.14 : x
  2. Step 2: Convert to fraction form
    1,211,195.58/1,815,079.52 = 671,689.14/x
  3. Step 3: Cross multiply
    1,211,195.58x = 1,815,079.52 × 671,689.14
  4. Step 4: Simplify right side
    1,211,195.58x = 1,219,169,203,499.64
  5. Step 5: Solve for x
    x = 1,219,169,203,499.64/1,211,195.58
  6. Step 6: Final answer
    x = 1,006,583.27

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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.