Home / 995,381.40-1,493,072.10-978,792.60

Finding the Fourth Proportional to 995,381.40, 1,493,072.10 and 978,792.60

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Solution

The fourth proportional to 995,381.40, 1,493,072.10 and 978,792.60 is: 1,468,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,381.40 : 1,493,072.10 = 978,792.60 : x
  2. Step 2: Convert to fraction form
    995,381.40/1,493,072.10 = 978,792.60/x
  3. Step 3: Cross multiply
    995,381.40x = 1,493,072.10 × 978,792.60
  4. Step 4: Simplify right side
    995,381.40x = 1,461,407,922,746.46
  5. Step 5: Solve for x
    x = 1,461,407,922,746.46/995,381.40
  6. Step 6: Final answer
    x = 1,468,188.90

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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.