Home / 858,794.40-1,286,636.40-734,378.40

Finding the Fourth Proportional to 858,794.40, 1,286,636.40 and 734,378.40

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Solution

The fourth proportional to 858,794.40, 1,286,636.40 and 734,378.40 is: 1,100,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,794.40 : 1,286,636.40 = 734,378.40 : x
  2. Step 2: Convert to fraction form
    858,794.40/1,286,636.40 = 734,378.40/x
  3. Step 3: Cross multiply
    858,794.40x = 1,286,636.40 × 734,378.40
  4. Step 4: Simplify right side
    858,794.40x = 944,877,980,813.76
  5. Step 5: Solve for x
    x = 944,877,980,813.76/858,794.40
  6. Step 6: Final answer
    x = 1,100,237.71

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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.