Home / 1,431,679.98-1,975,700.64-787,094.54

Finding the Fourth Proportional to 1,431,679.98, 1,975,700.64 and 787,094.54

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Solution

The fourth proportional to 1,431,679.98, 1,975,700.64 and 787,094.54 is: 1,086,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,679.98 : 1,975,700.64 = 787,094.54 : x
  2. Step 2: Convert to fraction form
    1,431,679.98/1,975,700.64 = 787,094.54/x
  3. Step 3: Cross multiply
    1,431,679.98x = 1,975,700.64 × 787,094.54
  4. Step 4: Simplify right side
    1,431,679.98x = 1,555,063,186,418.51
  5. Step 5: Solve for x
    x = 1,555,063,186,418.51/1,431,679.98
  6. Step 6: Final answer
    x = 1,086,180.72

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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.