Home / 841,478.45-1,262,208.56-672,204.65

Finding the Fourth Proportional to 841,478.45, 1,262,208.56 and 672,204.65

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Solution

The fourth proportional to 841,478.45, 1,262,208.56 and 672,204.65 is: 1,008,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,478.45 : 1,262,208.56 = 672,204.65 : x
  2. Step 2: Convert to fraction form
    841,478.45/1,262,208.56 = 672,204.65/x
  3. Step 3: Cross multiply
    841,478.45x = 1,262,208.56 × 672,204.65
  4. Step 4: Simplify right side
    841,478.45x = 848,462,453,629.74
  5. Step 5: Solve for x
    x = 848,462,453,629.74/841,478.45
  6. Step 6: Final answer
    x = 1,008,299.69

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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.