Home / 984,927.64-1,358,887.44-777,538.56

Finding the Fourth Proportional to 984,927.64, 1,358,887.44 and 777,538.56

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Solution

The fourth proportional to 984,927.64, 1,358,887.44 and 777,538.56 is: 1,072,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,927.64 : 1,358,887.44 = 777,538.56 : x
  2. Step 2: Convert to fraction form
    984,927.64/1,358,887.44 = 777,538.56/x
  3. Step 3: Cross multiply
    984,927.64x = 1,358,887.44 × 777,538.56
  4. Step 4: Simplify right side
    984,927.64x = 1,056,587,383,299.69
  5. Step 5: Solve for x
    x = 1,056,587,383,299.69/984,927.64
  6. Step 6: Final answer
    x = 1,072,756.35

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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.