Home / 1,282,838.37-1,770,196.76-766,489.47

Finding the Fourth Proportional to 1,282,838.37, 1,770,196.76 and 766,489.47

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Solution

The fourth proportional to 1,282,838.37, 1,770,196.76 and 766,489.47 is: 1,057,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,838.37 : 1,770,196.76 = 766,489.47 : x
  2. Step 2: Convert to fraction form
    1,282,838.37/1,770,196.76 = 766,489.47/x
  3. Step 3: Cross multiply
    1,282,838.37x = 1,770,196.76 × 766,489.47
  4. Step 4: Simplify right side
    1,282,838.37x = 1,356,837,165,682.57
  5. Step 5: Solve for x
    x = 1,356,837,165,682.57/1,282,838.37
  6. Step 6: Final answer
    x = 1,057,683.65

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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.