Home / 1,448,071.57-1,998,338.77-803,595.47

Finding the Fourth Proportional to 1,448,071.57, 1,998,338.77 and 803,595.47

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Solution

The fourth proportional to 1,448,071.57, 1,998,338.77 and 803,595.47 is: 1,108,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,071.57 : 1,998,338.77 = 803,595.47 : x
  2. Step 2: Convert to fraction form
    1,448,071.57/1,998,338.77 = 803,595.47/x
  3. Step 3: Cross multiply
    1,448,071.57x = 1,998,338.77 × 803,595.47
  4. Step 4: Simplify right side
    1,448,071.57x = 1,605,855,986,450.97
  5. Step 5: Solve for x
    x = 1,605,855,986,450.97/1,448,071.57
  6. Step 6: Final answer
    x = 1,108,961.75

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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.