Home / 984,156.80-1,475,313.60-770,806.40

Finding the Fourth Proportional to 984,156.80, 1,475,313.60 and 770,806.40

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Solution

The fourth proportional to 984,156.80, 1,475,313.60 and 770,806.40 is: 1,155,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,156.80 : 1,475,313.60 = 770,806.40 : x
  2. Step 2: Convert to fraction form
    984,156.80/1,475,313.60 = 770,806.40/x
  3. Step 3: Cross multiply
    984,156.80x = 1,475,313.60 × 770,806.40
  4. Step 4: Simplify right side
    984,156.80x = 1,137,181,164,887.04
  5. Step 5: Solve for x
    x = 1,137,181,164,887.04/984,156.80
  6. Step 6: Final answer
    x = 1,155,487.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.