Home / 1,661,840-2,492,507.28-463,636.16

Finding the Fourth Proportional to 1,661,840, 2,492,507.28 and 463,636.16

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Solution

The fourth proportional to 1,661,840, 2,492,507.28 and 463,636.16 is: 695,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,840 : 2,492,507.28 = 463,636.16 : x
  2. Step 2: Convert to fraction form
    1,661,840/2,492,507.28 = 463,636.16/x
  3. Step 3: Cross multiply
    1,661,840x = 2,492,507.28 × 463,636.16
  4. Step 4: Simplify right side
    1,661,840x = 1,155,616,504,071.24
  5. Step 5: Solve for x
    x = 1,155,616,504,071.24/1,661,840
  6. Step 6: Final answer
    x = 695,383.73

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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.