Home / 1,302,018.65-1,796,800.11-721,250.68

Finding the Fourth Proportional to 1,302,018.65, 1,796,800.11 and 721,250.68

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Solution

The fourth proportional to 1,302,018.65, 1,796,800.11 and 721,250.68 is: 995,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,018.65 : 1,796,800.11 = 721,250.68 : x
  2. Step 2: Convert to fraction form
    1,302,018.65/1,796,800.11 = 721,250.68/x
  3. Step 3: Cross multiply
    1,302,018.65x = 1,796,800.11 × 721,250.68
  4. Step 4: Simplify right side
    1,302,018.65x = 1,295,943,301,161.58
  5. Step 5: Solve for x
    x = 1,295,943,301,161.58/1,302,018.65
  6. Step 6: Final answer
    x = 995,333.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.