Home / 1,678,890.96-2,316,872.52-914,944.32

Finding the Fourth Proportional to 1,678,890.96, 2,316,872.52 and 914,944.32

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Solution

The fourth proportional to 1,678,890.96, 2,316,872.52 and 914,944.32 is: 1,262,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,890.96 : 2,316,872.52 = 914,944.32 : x
  2. Step 2: Convert to fraction form
    1,678,890.96/2,316,872.52 = 914,944.32/x
  3. Step 3: Cross multiply
    1,678,890.96x = 2,316,872.52 × 914,944.32
  4. Step 4: Simplify right side
    1,678,890.96x = 2,119,809,352,338.09
  5. Step 5: Solve for x
    x = 2,119,809,352,338.09/1,678,890.96
  6. Step 6: Final answer
    x = 1,262,624.79

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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.