Home / 1,290,063.10-1,933,256.94-950,432.80

Finding the Fourth Proportional to 1,290,063.10, 1,933,256.94 and 950,432.80

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Solution

The fourth proportional to 1,290,063.10, 1,933,256.94 and 950,432.80 is: 1,424,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,063.10 : 1,933,256.94 = 950,432.80 : x
  2. Step 2: Convert to fraction form
    1,290,063.10/1,933,256.94 = 950,432.80/x
  3. Step 3: Cross multiply
    1,290,063.10x = 1,933,256.94 × 950,432.80
  4. Step 4: Simplify right side
    1,290,063.10x = 1,837,430,806,603.63
  5. Step 5: Solve for x
    x = 1,837,430,806,603.63/1,290,063.10
  6. Step 6: Final answer
    x = 1,424,295.30

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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.