Home / 1,866,488.13-2,796,879.78-1,257,022.67

Finding the Fourth Proportional to 1,866,488.13, 2,796,879.78 and 1,257,022.67

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Solution

The fourth proportional to 1,866,488.13, 2,796,879.78 and 1,257,022.67 is: 1,883,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,488.13 : 2,796,879.78 = 1,257,022.67 : x
  2. Step 2: Convert to fraction form
    1,866,488.13/2,796,879.78 = 1,257,022.67/x
  3. Step 3: Cross multiply
    1,866,488.13x = 2,796,879.78 × 1,257,022.67
  4. Step 4: Simplify right side
    1,866,488.13x = 3,515,741,274,740.21
  5. Step 5: Solve for x
    x = 3,515,741,274,740.21/1,866,488.13
  6. Step 6: Final answer
    x = 1,883,612.98

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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.