Home / 1,284,998.40-1,925,654.40-945,388.80

Finding the Fourth Proportional to 1,284,998.40, 1,925,654.40 and 945,388.80

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Solution

The fourth proportional to 1,284,998.40, 1,925,654.40 and 945,388.80 is: 1,416,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,998.40 : 1,925,654.40 = 945,388.80 : x
  2. Step 2: Convert to fraction form
    1,284,998.40/1,925,654.40 = 945,388.80/x
  3. Step 3: Cross multiply
    1,284,998.40x = 1,925,654.40 × 945,388.80
  4. Step 4: Simplify right side
    1,284,998.40x = 1,820,492,102,430.72
  5. Step 5: Solve for x
    x = 1,820,492,102,430.72/1,284,998.40
  6. Step 6: Final answer
    x = 1,416,727.14

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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.