Home / 1,265,003.40-1,897,829.10-731,569.80

Finding the Fourth Proportional to 1,265,003.40, 1,897,829.10 and 731,569.80

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Solution

The fourth proportional to 1,265,003.40, 1,897,829.10 and 731,569.80 is: 1,097,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,003.40 : 1,897,829.10 = 731,569.80 : x
  2. Step 2: Convert to fraction form
    1,265,003.40/1,897,829.10 = 731,569.80/x
  3. Step 3: Cross multiply
    1,265,003.40x = 1,897,829.10 × 731,569.80
  4. Step 4: Simplify right side
    1,265,003.40x = 1,388,394,455,121.18
  5. Step 5: Solve for x
    x = 1,388,394,455,121.18/1,265,003.40
  6. Step 6: Final answer
    x = 1,097,542.07

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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.