Home / 1,386,611.50-2,079,654.21-675,924.78

Finding the Fourth Proportional to 1,386,611.50, 2,079,654.21 and 675,924.78

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Solution

The fourth proportional to 1,386,611.50, 2,079,654.21 and 675,924.78 is: 1,013,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,611.50 : 2,079,654.21 = 675,924.78 : x
  2. Step 2: Convert to fraction form
    1,386,611.50/2,079,654.21 = 675,924.78/x
  3. Step 3: Cross multiply
    1,386,611.50x = 2,079,654.21 × 675,924.78
  4. Step 4: Simplify right side
    1,386,611.50x = 1,405,689,814,370.32
  5. Step 5: Solve for x
    x = 1,405,689,814,370.32/1,386,611.50
  6. Step 6: Final answer
    x = 1,013,758.95

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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.