Home / 1,089,043.20-1,633,564.80-1,047,708.90

Finding the Fourth Proportional to 1,089,043.20, 1,633,564.80 and 1,047,708.90

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Solution

The fourth proportional to 1,089,043.20, 1,633,564.80 and 1,047,708.90 is: 1,571,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,043.20 : 1,633,564.80 = 1,047,708.90 : x
  2. Step 2: Convert to fraction form
    1,089,043.20/1,633,564.80 = 1,047,708.90/x
  3. Step 3: Cross multiply
    1,089,043.20x = 1,633,564.80 × 1,047,708.90
  4. Step 4: Simplify right side
    1,089,043.20x = 1,711,500,379,686.72
  5. Step 5: Solve for x
    x = 1,711,500,379,686.72/1,089,043.20
  6. Step 6: Final answer
    x = 1,571,563.35

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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.