Home / 1,207,344.10-1,810,360.05-408,214.30

Finding the Fourth Proportional to 1,207,344.10, 1,810,360.05 and 408,214.30

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Solution

The fourth proportional to 1,207,344.10, 1,810,360.05 and 408,214.30 is: 612,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,344.10 : 1,810,360.05 = 408,214.30 : x
  2. Step 2: Convert to fraction form
    1,207,344.10/1,810,360.05 = 408,214.30/x
  3. Step 3: Cross multiply
    1,207,344.10x = 1,810,360.05 × 408,214.30
  4. Step 4: Simplify right side
    1,207,344.10x = 739,014,860,558.72
  5. Step 5: Solve for x
    x = 739,014,860,558.72/1,207,344.10
  6. Step 6: Final answer
    x = 612,099.62

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1.5x scale

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.