Home / 1,246,940-1,869,950.28-448,007.12

Finding the Fourth Proportional to 1,246,940, 1,869,950.28 and 448,007.12

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Solution

The fourth proportional to 1,246,940, 1,869,950.28 and 448,007.12 is: 671,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,940 : 1,869,950.28 = 448,007.12 : x
  2. Step 2: Convert to fraction form
    1,246,940/1,869,950.28 = 448,007.12/x
  3. Step 3: Cross multiply
    1,246,940x = 1,869,950.28 × 448,007.12
  4. Step 4: Simplify right side
    1,246,940x = 837,751,039,485.99
  5. Step 5: Solve for x
    x = 837,751,039,485.99/1,246,940
  6. Step 6: Final answer
    x = 671,845.51

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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.