Home / 1,448,009.15-1,998,222.09-803,415.47

Finding the Fourth Proportional to 1,448,009.15, 1,998,222.09 and 803,415.47

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Solution

The fourth proportional to 1,448,009.15, 1,998,222.09 and 803,415.47 is: 1,108,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,009.15 : 1,998,222.09 = 803,415.47 : x
  2. Step 2: Convert to fraction form
    1,448,009.15/1,998,222.09 = 803,415.47/x
  3. Step 3: Cross multiply
    1,448,009.15x = 1,998,222.09 × 803,415.47
  4. Step 4: Simplify right side
    1,448,009.15x = 1,605,402,539,601.73
  5. Step 5: Solve for x
    x = 1,605,402,539,601.73/1,448,009.15
  6. Step 6: Final answer
    x = 1,108,696.41

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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.