Home / 1,365,984.60-2,048,784.18-858,999.72

Finding the Fourth Proportional to 1,365,984.60, 2,048,784.18 and 858,999.72

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Solution

The fourth proportional to 1,365,984.60, 2,048,784.18 and 858,999.72 is: 1,288,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,984.60 : 2,048,784.18 = 858,999.72 : x
  2. Step 2: Convert to fraction form
    1,365,984.60/2,048,784.18 = 858,999.72/x
  3. Step 3: Cross multiply
    1,365,984.60x = 2,048,784.18 × 858,999.72
  4. Step 4: Simplify right side
    1,365,984.60x = 1,759,905,036,960.43
  5. Step 5: Solve for x
    x = 1,759,905,036,960.43/1,365,984.60
  6. Step 6: Final answer
    x = 1,288,378.39

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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.