Home / 1,273,296.60-1,909,288.80-474,166.80

Finding the Fourth Proportional to 1,273,296.60, 1,909,288.80 and 474,166.80

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Solution

The fourth proportional to 1,273,296.60, 1,909,288.80 and 474,166.80 is: 711,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,296.60 : 1,909,288.80 = 474,166.80 : x
  2. Step 2: Convert to fraction form
    1,273,296.60/1,909,288.80 = 474,166.80/x
  3. Step 3: Cross multiply
    1,273,296.60x = 1,909,288.80 × 474,166.80
  4. Step 4: Simplify right side
    1,273,296.60x = 905,321,360,571.84
  5. Step 5: Solve for x
    x = 905,321,360,571.84/1,273,296.60
  6. Step 6: Final answer
    x = 711,005.87

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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.