Home / 1,267,944.37-1,900,787.72-458,148.17

Finding the Fourth Proportional to 1,267,944.37, 1,900,787.72 and 458,148.17

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Solution

The fourth proportional to 1,267,944.37, 1,900,787.72 and 458,148.17 is: 686,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,944.37 : 1,900,787.72 = 458,148.17 : x
  2. Step 2: Convert to fraction form
    1,267,944.37/1,900,787.72 = 458,148.17/x
  3. Step 3: Cross multiply
    1,267,944.37x = 1,900,787.72 × 458,148.17
  4. Step 4: Simplify right side
    1,267,944.37x = 870,842,410,809.75
  5. Step 5: Solve for x
    x = 870,842,410,809.75/1,267,944.37
  6. Step 6: Final answer
    x = 686,814.37

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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.