Home / 1,036,863.45-1,555,295.18-859,716.45

Finding the Fourth Proportional to 1,036,863.45, 1,555,295.18 and 859,716.45

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Solution

The fourth proportional to 1,036,863.45, 1,555,295.18 and 859,716.45 is: 1,289,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,863.45 : 1,555,295.18 = 859,716.45 : x
  2. Step 2: Convert to fraction form
    1,036,863.45/1,555,295.18 = 859,716.45/x
  3. Step 3: Cross multiply
    1,036,863.45x = 1,555,295.18 × 859,716.45
  4. Step 4: Simplify right side
    1,036,863.45x = 1,337,112,846,553.13
  5. Step 5: Solve for x
    x = 1,337,112,846,553.13/1,036,863.45
  6. Step 6: Final answer
    x = 1,289,574.68

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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.