Home / 1,260,046.20-1,889,850.60-460,916.40

Finding the Fourth Proportional to 1,260,046.20, 1,889,850.60 and 460,916.40

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Solution

The fourth proportional to 1,260,046.20, 1,889,850.60 and 460,916.40 is: 691,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,046.20 : 1,889,850.60 = 460,916.40 : x
  2. Step 2: Convert to fraction form
    1,260,046.20/1,889,850.60 = 460,916.40/x
  3. Step 3: Cross multiply
    1,260,046.20x = 1,889,850.60 × 460,916.40
  4. Step 4: Simplify right side
    1,260,046.20x = 871,063,135,089.84
  5. Step 5: Solve for x
    x = 871,063,135,089.84/1,260,046.20
  6. Step 6: Final answer
    x = 691,294.60

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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.