Home / 874,400.10-1,212,175.01-826,504.98

Finding the Fourth Proportional to 874,400.10, 1,212,175.01 and 826,504.98

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Solution

The fourth proportional to 874,400.10, 1,212,175.01 and 826,504.98 is: 1,145,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,400.10 : 1,212,175.01 = 826,504.98 : x
  2. Step 2: Convert to fraction form
    874,400.10/1,212,175.01 = 826,504.98/x
  3. Step 3: Cross multiply
    874,400.10x = 1,212,175.01 × 826,504.98
  4. Step 4: Simplify right side
    874,400.10x = 1,001,868,678,264.02
  5. Step 5: Solve for x
    x = 1,001,868,678,264.02/874,400.10
  6. Step 6: Final answer
    x = 1,145,778.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.