Home / 1,315,114.40-1,973,449.20-959,232.80

Finding the Fourth Proportional to 1,315,114.40, 1,973,449.20 and 959,232.80

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Solution

The fourth proportional to 1,315,114.40, 1,973,449.20 and 959,232.80 is: 1,439,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,114.40 : 1,973,449.20 = 959,232.80 : x
  2. Step 2: Convert to fraction form
    1,315,114.40/1,973,449.20 = 959,232.80/x
  3. Step 3: Cross multiply
    1,315,114.40x = 1,973,449.20 × 959,232.80
  4. Step 4: Simplify right side
    1,315,114.40x = 1,892,997,201,773.76
  5. Step 5: Solve for x
    x = 1,892,997,201,773.76/1,315,114.40
  6. Step 6: Final answer
    x = 1,439,416.37

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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.