Home / 1,036,116.21-1,555,234.40-855,626.74

Finding the Fourth Proportional to 1,036,116.21, 1,555,234.40 and 855,626.74

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Solution

The fourth proportional to 1,036,116.21, 1,555,234.40 and 855,626.74 is: 1,284,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,116.21 : 1,555,234.40 = 855,626.74 : x
  2. Step 2: Convert to fraction form
    1,036,116.21/1,555,234.40 = 855,626.74/x
  3. Step 3: Cross multiply
    1,036,116.21x = 1,555,234.40 × 855,626.74
  4. Step 4: Simplify right side
    1,036,116.21x = 1,330,700,139,607.86
  5. Step 5: Solve for x
    x = 1,330,700,139,607.86/1,036,116.21
  6. Step 6: Final answer
    x = 1,284,315.53

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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.