Home / 1,612,509.48-2,418,676.74-490,491

Finding the Fourth Proportional to 1,612,509.48, 2,418,676.74 and 490,491

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Solution

The fourth proportional to 1,612,509.48, 2,418,676.74 and 490,491 is: 735,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,509.48 : 2,418,676.74 = 490,491 : x
  2. Step 2: Convert to fraction form
    1,612,509.48/2,418,676.74 = 490,491/x
  3. Step 3: Cross multiply
    1,612,509.48x = 2,418,676.74 × 490,491
  4. Step 4: Simplify right side
    1,612,509.48x = 1,186,339,172,879.34
  5. Step 5: Solve for x
    x = 1,186,339,172,879.34/1,612,509.48
  6. Step 6: Final answer
    x = 735,709.89

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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.