Home / 1,678,905.74-2,316,822.32-914,942.90

Finding the Fourth Proportional to 1,678,905.74, 2,316,822.32 and 914,942.90

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Solution

The fourth proportional to 1,678,905.74, 2,316,822.32 and 914,942.90 is: 1,262,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,905.74 : 2,316,822.32 = 914,942.90 : x
  2. Step 2: Convert to fraction form
    1,678,905.74/2,316,822.32 = 914,942.90/x
  3. Step 3: Cross multiply
    1,678,905.74x = 2,316,822.32 × 914,942.90
  4. Step 4: Simplify right side
    1,678,905.74x = 2,119,760,116,086.70
  5. Step 5: Solve for x
    x = 2,119,760,116,086.70/1,678,905.74
  6. Step 6: Final answer
    x = 1,262,584.36

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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.