Home / 1,250,990.68-1,879,085.58-1,011,375.40

Finding the Fourth Proportional to 1,250,990.68, 1,879,085.58 and 1,011,375.40

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Solution

The fourth proportional to 1,250,990.68, 1,879,085.58 and 1,011,375.40 is: 1,519,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,990.68 : 1,879,085.58 = 1,011,375.40 : x
  2. Step 2: Convert to fraction form
    1,250,990.68/1,879,085.58 = 1,011,375.40/x
  3. Step 3: Cross multiply
    1,250,990.68x = 1,879,085.58 × 1,011,375.40
  4. Step 4: Simplify right side
    1,250,990.68x = 1,900,460,930,106.73
  5. Step 5: Solve for x
    x = 1,900,460,930,106.73/1,250,990.68
  6. Step 6: Final answer
    x = 1,519,164.74

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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.