Home / 1,211,384.03-1,815,361.61-671,877.79

Finding the Fourth Proportional to 1,211,384.03, 1,815,361.61 and 671,877.79

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Solution

The fourth proportional to 1,211,384.03, 1,815,361.61 and 671,877.79 is: 1,006,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,384.03 : 1,815,361.61 = 671,877.79 : x
  2. Step 2: Convert to fraction form
    1,211,384.03/1,815,361.61 = 671,877.79/x
  3. Step 3: Cross multiply
    1,211,384.03x = 1,815,361.61 × 671,877.79
  4. Step 4: Simplify right side
    1,211,384.03x = 1,219,701,138,679.85
  5. Step 5: Solve for x
    x = 1,219,701,138,679.85/1,211,384.03
  6. Step 6: Final answer
    x = 1,006,865.79

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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.