Home / 1,230,206.70-1,845,310.05-663,336.30

Finding the Fourth Proportional to 1,230,206.70, 1,845,310.05 and 663,336.30

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Solution

The fourth proportional to 1,230,206.70, 1,845,310.05 and 663,336.30 is: 995,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,206.70 : 1,845,310.05 = 663,336.30 : x
  2. Step 2: Convert to fraction form
    1,230,206.70/1,845,310.05 = 663,336.30/x
  3. Step 3: Cross multiply
    1,230,206.70x = 1,845,310.05 × 663,336.30
  4. Step 4: Simplify right side
    1,230,206.70x = 1,224,061,140,919.82
  5. Step 5: Solve for x
    x = 1,224,061,140,919.82/1,230,206.70
  6. Step 6: Final answer
    x = 995,004.45

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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.