Home / 1,036,003.19-1,555,065.21-855,513.55

Finding the Fourth Proportional to 1,036,003.19, 1,555,065.21 and 855,513.55

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Solution

The fourth proportional to 1,036,003.19, 1,555,065.21 and 855,513.55 is: 1,284,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,003.19 : 1,555,065.21 = 855,513.55 : x
  2. Step 2: Convert to fraction form
    1,036,003.19/1,555,065.21 = 855,513.55/x
  3. Step 3: Cross multiply
    1,036,003.19x = 1,555,065.21 × 855,513.55
  4. Step 4: Simplify right side
    1,036,003.19x = 1,330,379,358,288.60
  5. Step 5: Solve for x
    x = 1,330,379,358,288.60/1,036,003.19
  6. Step 6: Final answer
    x = 1,284,146.01

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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.