Home / 1,211,913.03-1,817,672.67-572,215.53

Finding the Fourth Proportional to 1,211,913.03, 1,817,672.67 and 572,215.53

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Solution

The fourth proportional to 1,211,913.03, 1,817,672.67 and 572,215.53 is: 858,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,913.03 : 1,817,672.67 = 572,215.53 : x
  2. Step 2: Convert to fraction form
    1,211,913.03/1,817,672.67 = 572,215.53/x
  3. Step 3: Cross multiply
    1,211,913.03x = 1,817,672.67 × 572,215.53
  4. Step 4: Simplify right side
    1,211,913.03x = 1,040,100,537,046.84
  5. Step 5: Solve for x
    x = 1,040,100,537,046.84/1,211,913.03
  6. Step 6: Final answer
    x = 858,230.34

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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.