Home / 1,315,226.40-1,973,617.20-959,344.80

Finding the Fourth Proportional to 1,315,226.40, 1,973,617.20 and 959,344.80

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Solution

The fourth proportional to 1,315,226.40, 1,973,617.20 and 959,344.80 is: 1,439,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,226.40 : 1,973,617.20 = 959,344.80 : x
  2. Step 2: Convert to fraction form
    1,315,226.40/1,973,617.20 = 959,344.80/x
  3. Step 3: Cross multiply
    1,315,226.40x = 1,973,617.20 × 959,344.80
  4. Step 4: Simplify right side
    1,315,226.40x = 1,893,379,398,010.56
  5. Step 5: Solve for x
    x = 1,893,379,398,010.56/1,315,226.40
  6. Step 6: Final answer
    x = 1,439,584.39

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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.