Home / 1,290,909.24-1,936,626.29-449,526.60

Finding the Fourth Proportional to 1,290,909.24, 1,936,626.29 and 449,526.60

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Solution

The fourth proportional to 1,290,909.24, 1,936,626.29 and 449,526.60 is: 674,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,909.24 : 1,936,626.29 = 449,526.60 : x
  2. Step 2: Convert to fraction form
    1,290,909.24/1,936,626.29 = 449,526.60/x
  3. Step 3: Cross multiply
    1,290,909.24x = 1,936,626.29 × 449,526.60
  4. Step 4: Simplify right side
    1,290,909.24x = 870,565,029,366.68
  5. Step 5: Solve for x
    x = 870,565,029,366.68/1,290,909.24
  6. Step 6: Final answer
    x = 674,381.28

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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.