Home / 1,661,968.64-2,492,066.82-862,445.18

Finding the Fourth Proportional to 1,661,968.64, 2,492,066.82 and 862,445.18

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Solution

The fourth proportional to 1,661,968.64, 2,492,066.82 and 862,445.18 is: 1,293,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,968.64 : 2,492,066.82 = 862,445.18 : x
  2. Step 2: Convert to fraction form
    1,661,968.64/2,492,066.82 = 862,445.18/x
  3. Step 3: Cross multiply
    1,661,968.64x = 2,492,066.82 × 862,445.18
  4. Step 4: Simplify right side
    1,661,968.64x = 2,149,271,017,146.93
  5. Step 5: Solve for x
    x = 2,149,271,017,146.93/1,661,968.64
  6. Step 6: Final answer
    x = 1,293,207.93

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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.