Home / 1,260,044.20-1,889,847.60-460,914.40

Finding the Fourth Proportional to 1,260,044.20, 1,889,847.60 and 460,914.40

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Solution

The fourth proportional to 1,260,044.20, 1,889,847.60 and 460,914.40 is: 691,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,044.20 : 1,889,847.60 = 460,914.40 : x
  2. Step 2: Convert to fraction form
    1,260,044.20/1,889,847.60 = 460,914.40/x
  3. Step 3: Cross multiply
    1,260,044.20x = 1,889,847.60 × 460,914.40
  4. Step 4: Simplify right side
    1,260,044.20x = 871,057,972,645.44
  5. Step 5: Solve for x
    x = 871,057,972,645.44/1,260,044.20
  6. Step 6: Final answer
    x = 691,291.60

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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.