Home / 1,312,918.45-1,969,709.82-366,288.46

Finding the Fourth Proportional to 1,312,918.45, 1,969,709.82 and 366,288.46

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Solution

The fourth proportional to 1,312,918.45, 1,969,709.82 and 366,288.46 is: 549,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,918.45 : 1,969,709.82 = 366,288.46 : x
  2. Step 2: Convert to fraction form
    1,312,918.45/1,969,709.82 = 366,288.46/x
  3. Step 3: Cross multiply
    1,312,918.45x = 1,969,709.82 × 366,288.46
  4. Step 4: Simplify right side
    1,312,918.45x = 721,481,976,614.68
  5. Step 5: Solve for x
    x = 721,481,976,614.68/1,312,918.45
  6. Step 6: Final answer
    x = 549,525.35

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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.