Home / 1,243,814.03-1,865,731.49-345,325.82

Finding the Fourth Proportional to 1,243,814.03, 1,865,731.49 and 345,325.82

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Solution

The fourth proportional to 1,243,814.03, 1,865,731.49 and 345,325.82 is: 517,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,814.03 : 1,865,731.49 = 345,325.82 : x
  2. Step 2: Convert to fraction form
    1,243,814.03/1,865,731.49 = 345,325.82/x
  3. Step 3: Cross multiply
    1,243,814.03x = 1,865,731.49 × 345,325.82
  4. Step 4: Simplify right side
    1,243,814.03x = 644,285,254,957.44
  5. Step 5: Solve for x
    x = 644,285,254,957.44/1,243,814.03
  6. Step 6: Final answer
    x = 517,991.63

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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.