Home / 869,230.40-1,303,845.60-744,814.40

Finding the Fourth Proportional to 869,230.40, 1,303,845.60 and 744,814.40

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Solution

The fourth proportional to 869,230.40, 1,303,845.60 and 744,814.40 is: 1,117,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,230.40 : 1,303,845.60 = 744,814.40 : x
  2. Step 2: Convert to fraction form
    869,230.40/1,303,845.60 = 744,814.40/x
  3. Step 3: Cross multiply
    869,230.40x = 1,303,845.60 × 744,814.40
  4. Step 4: Simplify right side
    869,230.40x = 971,122,978,256.64
  5. Step 5: Solve for x
    x = 971,122,978,256.64/869,230.40
  6. Step 6: Final answer
    x = 1,117,221.60

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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.