Home / 1,416,483.81-2,124,100.59-405,375.54

Finding the Fourth Proportional to 1,416,483.81, 2,124,100.59 and 405,375.54

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Solution

The fourth proportional to 1,416,483.81, 2,124,100.59 and 405,375.54 is: 607,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,483.81 : 2,124,100.59 = 405,375.54 : x
  2. Step 2: Convert to fraction form
    1,416,483.81/2,124,100.59 = 405,375.54/x
  3. Step 3: Cross multiply
    1,416,483.81x = 2,124,100.59 × 405,375.54
  4. Step 4: Simplify right side
    1,416,483.81x = 861,058,423,685.57
  5. Step 5: Solve for x
    x = 861,058,423,685.57/1,416,483.81
  6. Step 6: Final answer
    x = 607,884.41

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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.