Home / 1,295,423.70-1,943,135.55-1,245,657.30

Finding the Fourth Proportional to 1,295,423.70, 1,943,135.55 and 1,245,657.30

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Solution

The fourth proportional to 1,295,423.70, 1,943,135.55 and 1,245,657.30 is: 1,868,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,423.70 : 1,943,135.55 = 1,245,657.30 : x
  2. Step 2: Convert to fraction form
    1,295,423.70/1,943,135.55 = 1,245,657.30/x
  3. Step 3: Cross multiply
    1,295,423.70x = 1,943,135.55 × 1,245,657.30
  4. Step 4: Simplify right side
    1,295,423.70x = 2,420,480,982,747.02
  5. Step 5: Solve for x
    x = 2,420,480,982,747.02/1,295,423.70
  6. Step 6: Final answer
    x = 1,868,485.95

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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.