Home / 1,114,821-1,672,509.26-326,853

Finding the Fourth Proportional to 1,114,821, 1,672,509.26 and 326,853

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Solution

The fourth proportional to 1,114,821, 1,672,509.26 and 326,853 is: 490,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,821 : 1,672,509.26 = 326,853 : x
  2. Step 2: Convert to fraction form
    1,114,821/1,672,509.26 = 326,853/x
  3. Step 3: Cross multiply
    1,114,821x = 1,672,509.26 × 326,853
  4. Step 4: Simplify right side
    1,114,821x = 546,664,669,158.78
  5. Step 5: Solve for x
    x = 546,664,669,158.78/1,114,821
  6. Step 6: Final answer
    x = 490,360.94

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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.