Home / 1,252,668.70-1,878,082.86-399,249.28

Finding the Fourth Proportional to 1,252,668.70, 1,878,082.86 and 399,249.28

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Solution

The fourth proportional to 1,252,668.70, 1,878,082.86 and 399,249.28 is: 598,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,668.70 : 1,878,082.86 = 399,249.28 : x
  2. Step 2: Convert to fraction form
    1,252,668.70/1,878,082.86 = 399,249.28/x
  3. Step 3: Cross multiply
    1,252,668.70x = 1,878,082.86 × 399,249.28
  4. Step 4: Simplify right side
    1,252,668.70x = 749,823,229,635.34
  5. Step 5: Solve for x
    x = 749,823,229,635.34/1,252,668.70
  6. Step 6: Final answer
    x = 598,580.64

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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.