Home / 1,280,972.42-1,767,748.89-700,196.33

Finding the Fourth Proportional to 1,280,972.42, 1,767,748.89 and 700,196.33

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Solution

The fourth proportional to 1,280,972.42, 1,767,748.89 and 700,196.33 is: 966,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,972.42 : 1,767,748.89 = 700,196.33 : x
  2. Step 2: Convert to fraction form
    1,280,972.42/1,767,748.89 = 700,196.33/x
  3. Step 3: Cross multiply
    1,280,972.42x = 1,767,748.89 × 700,196.33
  4. Step 4: Simplify right side
    1,280,972.42x = 1,237,771,285,139.57
  5. Step 5: Solve for x
    x = 1,237,771,285,139.57/1,280,972.42
  6. Step 6: Final answer
    x = 966,274.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.