Home / 995,314.20-1,492,971.30-545,861.40

Finding the Fourth Proportional to 995,314.20, 1,492,971.30 and 545,861.40

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Solution

The fourth proportional to 995,314.20, 1,492,971.30 and 545,861.40 is: 818,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,314.20 : 1,492,971.30 = 545,861.40 : x
  2. Step 2: Convert to fraction form
    995,314.20/1,492,971.30 = 545,861.40/x
  3. Step 3: Cross multiply
    995,314.20x = 1,492,971.30 × 545,861.40
  4. Step 4: Simplify right side
    995,314.20x = 814,955,403,977.82
  5. Step 5: Solve for x
    x = 814,955,403,977.82/995,314.20
  6. Step 6: Final answer
    x = 818,792.10

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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.