Home / 1,782,645.48-2,672,638.38-1,072,507.14

Finding the Fourth Proportional to 1,782,645.48, 2,672,638.38 and 1,072,507.14

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Solution

The fourth proportional to 1,782,645.48, 2,672,638.38 and 1,072,507.14 is: 1,607,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,645.48 : 2,672,638.38 = 1,072,507.14 : x
  2. Step 2: Convert to fraction form
    1,782,645.48/2,672,638.38 = 1,072,507.14/x
  3. Step 3: Cross multiply
    1,782,645.48x = 2,672,638.38 × 1,072,507.14
  4. Step 4: Simplify right side
    1,782,645.48x = 2,866,423,745,188.03
  5. Step 5: Solve for x
    x = 2,866,423,745,188.03/1,782,645.48
  6. Step 6: Final answer
    x = 1,607,960.63

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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.