Home / 1,540,136-2,311,137.12-653,672

Finding the Fourth Proportional to 1,540,136, 2,311,137.12 and 653,672

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Solution

The fourth proportional to 1,540,136, 2,311,137.12 and 653,672 is: 980,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,136 : 2,311,137.12 = 653,672 : x
  2. Step 2: Convert to fraction form
    1,540,136/2,311,137.12 = 653,672/x
  3. Step 3: Cross multiply
    1,540,136x = 2,311,137.12 × 653,672
  4. Step 4: Simplify right side
    1,540,136x = 1,510,725,623,504.64
  5. Step 5: Solve for x
    x = 1,510,725,623,504.64/1,540,136
  6. Step 6: Final answer
    x = 980,904.04

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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.