Home / 1,265,000.40-1,897,824.60-731,566.80

Finding the Fourth Proportional to 1,265,000.40, 1,897,824.60 and 731,566.80

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Solution

The fourth proportional to 1,265,000.40, 1,897,824.60 and 731,566.80 is: 1,097,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,000.40 : 1,897,824.60 = 731,566.80 : x
  2. Step 2: Convert to fraction form
    1,265,000.40/1,897,824.60 = 731,566.80/x
  3. Step 3: Cross multiply
    1,265,000.40x = 1,897,824.60 × 731,566.80
  4. Step 4: Simplify right side
    1,265,000.40x = 1,388,385,469,583.28
  5. Step 5: Solve for x
    x = 1,388,385,469,583.28/1,265,000.40
  6. Step 6: Final answer
    x = 1,097,537.57

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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.