Home / 1,942,852.80-2,914,279.20-680,516.40

Finding the Fourth Proportional to 1,942,852.80, 2,914,279.20 and 680,516.40

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Solution

The fourth proportional to 1,942,852.80, 2,914,279.20 and 680,516.40 is: 1,020,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,852.80 : 2,914,279.20 = 680,516.40 : x
  2. Step 2: Convert to fraction form
    1,942,852.80/2,914,279.20 = 680,516.40/x
  3. Step 3: Cross multiply
    1,942,852.80x = 2,914,279.20 × 680,516.40
  4. Step 4: Simplify right side
    1,942,852.80x = 1,983,214,789,778.88
  5. Step 5: Solve for x
    x = 1,983,214,789,778.88/1,942,852.80
  6. Step 6: Final answer
    x = 1,020,774.60

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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.