Home / 1,216,325.82-1,825,397.56-458,914.26

Finding the Fourth Proportional to 1,216,325.82, 1,825,397.56 and 458,914.26

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Solution

The fourth proportional to 1,216,325.82, 1,825,397.56 and 458,914.26 is: 688,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,325.82 : 1,825,397.56 = 458,914.26 : x
  2. Step 2: Convert to fraction form
    1,216,325.82/1,825,397.56 = 458,914.26/x
  3. Step 3: Cross multiply
    1,216,325.82x = 1,825,397.56 × 458,914.26
  4. Step 4: Simplify right side
    1,216,325.82x = 837,700,970,453.21
  5. Step 5: Solve for x
    x = 837,700,970,453.21/1,216,325.82
  6. Step 6: Final answer
    x = 688,714.29

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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.