Home / 1,280,667.42-1,767,326.55-699,902.46

Finding the Fourth Proportional to 1,280,667.42, 1,767,326.55 and 699,902.46

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Solution

The fourth proportional to 1,280,667.42, 1,767,326.55 and 699,902.46 is: 965,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,667.42 : 1,767,326.55 = 699,902.46 : x
  2. Step 2: Convert to fraction form
    1,280,667.42/1,767,326.55 = 699,902.46/x
  3. Step 3: Cross multiply
    1,280,667.42x = 1,767,326.55 × 699,902.46
  4. Step 4: Simplify right side
    1,280,667.42x = 1,236,956,199,968.31
  5. Step 5: Solve for x
    x = 1,236,956,199,968.31/1,280,667.42
  6. Step 6: Final answer
    x = 965,868.41

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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.