Home / 1,690,395.03-2,535,887.82-743,741.15

Finding the Fourth Proportional to 1,690,395.03, 2,535,887.82 and 743,741.15

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Solution

The fourth proportional to 1,690,395.03, 2,535,887.82 and 743,741.15 is: 1,115,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,395.03 : 2,535,887.82 = 743,741.15 : x
  2. Step 2: Convert to fraction form
    1,690,395.03/2,535,887.82 = 743,741.15/x
  3. Step 3: Cross multiply
    1,690,395.03x = 2,535,887.82 × 743,741.15
  4. Step 4: Simplify right side
    1,690,395.03x = 1,886,044,110,838.35
  5. Step 5: Solve for x
    x = 1,886,044,110,838.35/1,690,395.03
  6. Step 6: Final answer
    x = 1,115,741.63

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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.