Home / 1,452,122.98-2,178,321.06-427,453.93

Finding the Fourth Proportional to 1,452,122.98, 2,178,321.06 and 427,453.93

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Solution

The fourth proportional to 1,452,122.98, 2,178,321.06 and 427,453.93 is: 641,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,122.98 : 2,178,321.06 = 427,453.93 : x
  2. Step 2: Convert to fraction form
    1,452,122.98/2,178,321.06 = 427,453.93/x
  3. Step 3: Cross multiply
    1,452,122.98x = 2,178,321.06 × 427,453.93
  4. Step 4: Simplify right side
    1,452,122.98x = 931,131,897,898.77
  5. Step 5: Solve for x
    x = 931,131,897,898.77/1,452,122.98
  6. Step 6: Final answer
    x = 641,221.10

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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.