Home / 1,282,913.64-1,770,398.25-739,047.78

Finding the Fourth Proportional to 1,282,913.64, 1,770,398.25 and 739,047.78

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Solution

The fourth proportional to 1,282,913.64, 1,770,398.25 and 739,047.78 is: 1,019,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,913.64 : 1,770,398.25 = 739,047.78 : x
  2. Step 2: Convert to fraction form
    1,282,913.64/1,770,398.25 = 739,047.78/x
  3. Step 3: Cross multiply
    1,282,913.64x = 1,770,398.25 × 739,047.78
  4. Step 4: Simplify right side
    1,282,913.64x = 1,308,408,896,378.39
  5. Step 5: Solve for x
    x = 1,308,408,896,378.39/1,282,913.64
  6. Step 6: Final answer
    x = 1,019,872.93

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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.