Home / 1,431,185.44-1,975,040.04-786,671.68

Finding the Fourth Proportional to 1,431,185.44, 1,975,040.04 and 786,671.68

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Solution

The fourth proportional to 1,431,185.44, 1,975,040.04 and 786,671.68 is: 1,085,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,185.44 : 1,975,040.04 = 786,671.68 : x
  2. Step 2: Convert to fraction form
    1,431,185.44/1,975,040.04 = 786,671.68/x
  3. Step 3: Cross multiply
    1,431,185.44x = 1,975,040.04 × 786,671.68
  4. Step 4: Simplify right side
    1,431,185.44x = 1,553,708,066,334.07
  5. Step 5: Solve for x
    x = 1,553,708,066,334.07/1,431,185.44
  6. Step 6: Final answer
    x = 1,085,609.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.