Home / 1,245,512.70-1,868,269.05-1,235,015.10

Finding the Fourth Proportional to 1,245,512.70, 1,868,269.05 and 1,235,015.10

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Solution

The fourth proportional to 1,245,512.70, 1,868,269.05 and 1,235,015.10 is: 1,852,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,512.70 : 1,868,269.05 = 1,235,015.10 : x
  2. Step 2: Convert to fraction form
    1,245,512.70/1,868,269.05 = 1,235,015.10/x
  3. Step 3: Cross multiply
    1,245,512.70x = 1,868,269.05 × 1,235,015.10
  4. Step 4: Simplify right side
    1,245,512.70x = 2,307,340,487,612.66
  5. Step 5: Solve for x
    x = 2,307,340,487,612.66/1,245,512.70
  6. Step 6: Final answer
    x = 1,852,522.65

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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.