Home / 1,273,428.09-1,909,484.82-374,753.14

Finding the Fourth Proportional to 1,273,428.09, 1,909,484.82 and 374,753.14

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Solution

The fourth proportional to 1,273,428.09, 1,909,484.82 and 374,753.14 is: 561,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,428.09 : 1,909,484.82 = 374,753.14 : x
  2. Step 2: Convert to fraction form
    1,273,428.09/1,909,484.82 = 374,753.14/x
  3. Step 3: Cross multiply
    1,273,428.09x = 1,909,484.82 × 374,753.14
  4. Step 4: Simplify right side
    1,273,428.09x = 715,585,427,303.62
  5. Step 5: Solve for x
    x = 715,585,427,303.62/1,273,428.09
  6. Step 6: Final answer
    x = 561,936.27

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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.