Home / 1,302,017.65-1,796,798.73-721,249.68

Finding the Fourth Proportional to 1,302,017.65, 1,796,798.73 and 721,249.68

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Solution

The fourth proportional to 1,302,017.65, 1,796,798.73 and 721,249.68 is: 995,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,017.65 : 1,796,798.73 = 721,249.68 : x
  2. Step 2: Convert to fraction form
    1,302,017.65/1,796,798.73 = 721,249.68/x
  3. Step 3: Cross multiply
    1,302,017.65x = 1,796,798.73 × 721,249.68
  4. Step 4: Simplify right side
    1,302,017.65x = 1,295,940,509,036.91
  5. Step 5: Solve for x
    x = 1,295,940,509,036.91/1,302,017.65
  6. Step 6: Final answer
    x = 995,332.52

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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.