Home / 1,207,072.20-1,810,608.30-637,674.60

Finding the Fourth Proportional to 1,207,072.20, 1,810,608.30 and 637,674.60

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Solution

The fourth proportional to 1,207,072.20, 1,810,608.30 and 637,674.60 is: 956,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,072.20 : 1,810,608.30 = 637,674.60 : x
  2. Step 2: Convert to fraction form
    1,207,072.20/1,810,608.30 = 637,674.60/x
  3. Step 3: Cross multiply
    1,207,072.20x = 1,810,608.30 × 637,674.60
  4. Step 4: Simplify right side
    1,207,072.20x = 1,154,578,923,459.18
  5. Step 5: Solve for x
    x = 1,154,578,923,459.18/1,207,072.20
  6. Step 6: Final answer
    x = 956,511.90

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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.