Home / 1,447,231.78-1,997,302.42-802,859.50

Finding the Fourth Proportional to 1,447,231.78, 1,997,302.42 and 802,859.50

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Solution

The fourth proportional to 1,447,231.78, 1,997,302.42 and 802,859.50 is: 1,108,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,231.78 : 1,997,302.42 = 802,859.50 : x
  2. Step 2: Convert to fraction form
    1,447,231.78/1,997,302.42 = 802,859.50/x
  3. Step 3: Cross multiply
    1,447,231.78x = 1,997,302.42 × 802,859.50
  4. Step 4: Simplify right side
    1,447,231.78x = 1,603,553,222,269.99
  5. Step 5: Solve for x
    x = 1,603,553,222,269.99/1,447,231.78
  6. Step 6: Final answer
    x = 1,108,014.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.