Home / 1,284,707.60-1,926,607.80-443,063.60

Finding the Fourth Proportional to 1,284,707.60, 1,926,607.80 and 443,063.60

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Solution

The fourth proportional to 1,284,707.60, 1,926,607.80 and 443,063.60 is: 664,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,707.60 : 1,926,607.80 = 443,063.60 : x
  2. Step 2: Convert to fraction form
    1,284,707.60/1,926,607.80 = 443,063.60/x
  3. Step 3: Cross multiply
    1,284,707.60x = 1,926,607.80 × 443,063.60
  4. Step 4: Simplify right side
    1,284,707.60x = 853,609,787,656.08
  5. Step 5: Solve for x
    x = 853,609,787,656.08/1,284,707.60
  6. Step 6: Final answer
    x = 664,438.96

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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.