Home / 1,356,672.44-1,872,069.27-783,897.14

Finding the Fourth Proportional to 1,356,672.44, 1,872,069.27 and 783,897.14

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Solution

The fourth proportional to 1,356,672.44, 1,872,069.27 and 783,897.14 is: 1,081,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,672.44 : 1,872,069.27 = 783,897.14 : x
  2. Step 2: Convert to fraction form
    1,356,672.44/1,872,069.27 = 783,897.14/x
  3. Step 3: Cross multiply
    1,356,672.44x = 1,872,069.27 × 783,897.14
  4. Step 4: Simplify right side
    1,356,672.44x = 1,467,509,748,375.45
  5. Step 5: Solve for x
    x = 1,467,509,748,375.45/1,356,672.44
  6. Step 6: Final answer
    x = 1,081,697.91

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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.