Home / 1,046,021-1,568,421.84-405,576.53

Finding the Fourth Proportional to 1,046,021, 1,568,421.84 and 405,576.53

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Solution

The fourth proportional to 1,046,021, 1,568,421.84 and 405,576.53 is: 608,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,021 : 1,568,421.84 = 405,576.53 : x
  2. Step 2: Convert to fraction form
    1,046,021/1,568,421.84 = 405,576.53/x
  3. Step 3: Cross multiply
    1,046,021x = 1,568,421.84 × 405,576.53
  4. Step 4: Simplify right side
    1,046,021x = 636,115,087,443.42
  5. Step 5: Solve for x
    x = 636,115,087,443.42/1,046,021
  6. Step 6: Final answer
    x = 608,128.41

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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.