Home / 1,289,339.41-1,931,351.28-755,241.19

Finding the Fourth Proportional to 1,289,339.41, 1,931,351.28 and 755,241.19

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Solution

The fourth proportional to 1,289,339.41, 1,931,351.28 and 755,241.19 is: 1,131,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,339.41 : 1,931,351.28 = 755,241.19 : x
  2. Step 2: Convert to fraction form
    1,289,339.41/1,931,351.28 = 755,241.19/x
  3. Step 3: Cross multiply
    1,289,339.41x = 1,931,351.28 × 755,241.19
  4. Step 4: Simplify right side
    1,289,339.41x = 1,458,636,039,015.22
  5. Step 5: Solve for x
    x = 1,458,636,039,015.22/1,289,339.41
  6. Step 6: Final answer
    x = 1,131,304.94

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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.