Home / 858,823.40-1,285,610.70-858,823.40

Finding the Fourth Proportional to 858,823.40, 1,285,610.70 and 858,823.40

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Solution

The fourth proportional to 858,823.40, 1,285,610.70 and 858,823.40 is: 1,285,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,823.40 : 1,285,610.70 = 858,823.40 : x
  2. Step 2: Convert to fraction form
    858,823.40/1,285,610.70 = 858,823.40/x
  3. Step 3: Cross multiply
    858,823.40x = 1,285,610.70 × 858,823.40
  4. Step 4: Simplify right side
    858,823.40x = 1,104,112,552,450.38
  5. Step 5: Solve for x
    x = 1,104,112,552,450.38/858,823.40
  6. Step 6: Final answer
    x = 1,285,610.70

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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.