Home / 1,685,645.40-2,529,342.90-739,111.80

Finding the Fourth Proportional to 1,685,645.40, 2,529,342.90 and 739,111.80

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Solution

The fourth proportional to 1,685,645.40, 2,529,342.90 and 739,111.80 is: 1,109,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,645.40 : 2,529,342.90 = 739,111.80 : x
  2. Step 2: Convert to fraction form
    1,685,645.40/2,529,342.90 = 739,111.80/x
  3. Step 3: Cross multiply
    1,685,645.40x = 2,529,342.90 × 739,111.80
  4. Step 4: Simplify right side
    1,685,645.40x = 1,869,467,183,636.22
  5. Step 5: Solve for x
    x = 1,869,467,183,636.22/1,685,645.40
  6. Step 6: Final answer
    x = 1,109,051.28

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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.