Home / 1,641,415.20-2,460,740.40-853,447.20

Finding the Fourth Proportional to 1,641,415.20, 2,460,740.40 and 853,447.20

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Solution

The fourth proportional to 1,641,415.20, 2,460,740.40 and 853,447.20 is: 1,279,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,415.20 : 2,460,740.40 = 853,447.20 : x
  2. Step 2: Convert to fraction form
    1,641,415.20/2,460,740.40 = 853,447.20/x
  3. Step 3: Cross multiply
    1,641,415.20x = 2,460,740.40 × 853,447.20
  4. Step 4: Simplify right side
    1,641,415.20x = 2,100,112,004,306.88
  5. Step 5: Solve for x
    x = 2,100,112,004,306.88/1,641,415.20
  6. Step 6: Final answer
    x = 1,279,452.03

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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.