Home / 1,200,037.35-1,800,057.77-490,065.39

Finding the Fourth Proportional to 1,200,037.35, 1,800,057.77 and 490,065.39

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Solution

The fourth proportional to 1,200,037.35, 1,800,057.77 and 490,065.39 is: 735,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,037.35 : 1,800,057.77 = 490,065.39 : x
  2. Step 2: Convert to fraction form
    1,200,037.35/1,800,057.77 = 490,065.39/x
  3. Step 3: Cross multiply
    1,200,037.35x = 1,800,057.77 × 490,065.39
  4. Step 4: Simplify right side
    1,200,037.35x = 882,146,003,877.04
  5. Step 5: Solve for x
    x = 882,146,003,877.04/1,200,037.35
  6. Step 6: Final answer
    x = 735,098.79

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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.