Home / 1,687,470.60-2,531,205.90-505,518.60

Finding the Fourth Proportional to 1,687,470.60, 2,531,205.90 and 505,518.60

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Solution

The fourth proportional to 1,687,470.60, 2,531,205.90 and 505,518.60 is: 758,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,470.60 : 2,531,205.90 = 505,518.60 : x
  2. Step 2: Convert to fraction form
    1,687,470.60/2,531,205.90 = 505,518.60/x
  3. Step 3: Cross multiply
    1,687,470.60x = 2,531,205.90 × 505,518.60
  4. Step 4: Simplify right side
    1,687,470.60x = 1,279,571,662,879.74
  5. Step 5: Solve for x
    x = 1,279,571,662,879.74/1,687,470.60
  6. Step 6: Final answer
    x = 758,277.90

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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.