Home / 1,557,999.45-2,336,561.78-493,367.85

Finding the Fourth Proportional to 1,557,999.45, 2,336,561.78 and 493,367.85

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Solution

The fourth proportional to 1,557,999.45, 2,336,561.78 and 493,367.85 is: 739,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,999.45 : 2,336,561.78 = 493,367.85 : x
  2. Step 2: Convert to fraction form
    1,557,999.45/2,336,561.78 = 493,367.85/x
  3. Step 3: Cross multiply
    1,557,999.45x = 2,336,561.78 × 493,367.85
  4. Step 4: Simplify right side
    1,557,999.45x = 1,152,784,459,323.93
  5. Step 5: Solve for x
    x = 1,152,784,459,323.93/1,557,999.45
  6. Step 6: Final answer
    x = 739,913.26

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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.