Home / 1,446,861.02-2,170,080.23-421,915.89

Finding the Fourth Proportional to 1,446,861.02, 2,170,080.23 and 421,915.89

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Solution

The fourth proportional to 1,446,861.02, 2,170,080.23 and 421,915.89 is: 632,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,861.02 : 2,170,080.23 = 421,915.89 : x
  2. Step 2: Convert to fraction form
    1,446,861.02/2,170,080.23 = 421,915.89/x
  3. Step 3: Cross multiply
    1,446,861.02x = 2,170,080.23 × 421,915.89
  4. Step 4: Simplify right side
    1,446,861.02x = 915,591,331,611.86
  5. Step 5: Solve for x
    x = 915,591,331,611.86/1,446,861.02
  6. Step 6: Final answer
    x = 632,812.22

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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.