Home / 1,412,087.76-2,117,466.36-512,895.42

Finding the Fourth Proportional to 1,412,087.76, 2,117,466.36 and 512,895.42

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Solution

The fourth proportional to 1,412,087.76, 2,117,466.36 and 512,895.42 is: 769,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,087.76 : 2,117,466.36 = 512,895.42 : x
  2. Step 2: Convert to fraction form
    1,412,087.76/2,117,466.36 = 512,895.42/x
  3. Step 3: Cross multiply
    1,412,087.76x = 2,117,466.36 × 512,895.42
  4. Step 4: Simplify right side
    1,412,087.76x = 1,086,038,798,048.07
  5. Step 5: Solve for x
    x = 1,086,038,798,048.07/1,412,087.76
  6. Step 6: Final answer
    x = 769,101.49

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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.