Home / 1,431,663.34-1,975,037.10-1,268,486.27

Finding the Fourth Proportional to 1,431,663.34, 1,975,037.10 and 1,268,486.27

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Solution

The fourth proportional to 1,431,663.34, 1,975,037.10 and 1,268,486.27 is: 1,749,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,663.34 : 1,975,037.10 = 1,268,486.27 : x
  2. Step 2: Convert to fraction form
    1,431,663.34/1,975,037.10 = 1,268,486.27/x
  3. Step 3: Cross multiply
    1,431,663.34x = 1,975,037.10 × 1,268,486.27
  4. Step 4: Simplify right side
    1,431,663.34x = 2,505,307,434,215.43
  5. Step 5: Solve for x
    x = 2,505,307,434,215.43/1,431,663.34
  6. Step 6: Final answer
    x = 1,749,927.77

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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.