Home / 1,273,136.63-1,908,518.50-873,965.39

Finding the Fourth Proportional to 1,273,136.63, 1,908,518.50 and 873,965.39

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Solution

The fourth proportional to 1,273,136.63, 1,908,518.50 and 873,965.39 is: 1,310,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,136.63 : 1,908,518.50 = 873,965.39 : x
  2. Step 2: Convert to fraction form
    1,273,136.63/1,908,518.50 = 873,965.39/x
  3. Step 3: Cross multiply
    1,273,136.63x = 1,908,518.50 × 873,965.39
  4. Step 4: Simplify right side
    1,273,136.63x = 1,667,979,110,804.89
  5. Step 5: Solve for x
    x = 1,667,979,110,804.89/1,273,136.63
  6. Step 6: Final answer
    x = 1,310,133.63

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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.