Home / 1,245,948.20-1,868,922.30-847,367.45

Finding the Fourth Proportional to 1,245,948.20, 1,868,922.30 and 847,367.45

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Solution

The fourth proportional to 1,245,948.20, 1,868,922.30 and 847,367.45 is: 1,271,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,948.20 : 1,868,922.30 = 847,367.45 : x
  2. Step 2: Convert to fraction form
    1,245,948.20/1,868,922.30 = 847,367.45/x
  3. Step 3: Cross multiply
    1,245,948.20x = 1,868,922.30 × 847,367.45
  4. Step 4: Simplify right side
    1,245,948.20x = 1,583,663,923,599.14
  5. Step 5: Solve for x
    x = 1,583,663,923,599.14/1,245,948.20
  6. Step 6: Final answer
    x = 1,271,051.18

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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.