Home / 1,213,742.26-1,820,318.14-574,020.16

Finding the Fourth Proportional to 1,213,742.26, 1,820,318.14 and 574,020.16

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Solution

The fourth proportional to 1,213,742.26, 1,820,318.14 and 574,020.16 is: 860,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,742.26 : 1,820,318.14 = 574,020.16 : x
  2. Step 2: Convert to fraction form
    1,213,742.26/1,820,318.14 = 574,020.16/x
  3. Step 3: Cross multiply
    1,213,742.26x = 1,820,318.14 × 574,020.16
  4. Step 4: Simplify right side
    1,213,742.26x = 1,044,899,309,973.70
  5. Step 5: Solve for x
    x = 1,044,899,309,973.70/1,213,742.26
  6. Step 6: Final answer
    x = 860,890.61

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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.