Home / 1,232,678.07-1,701,087.42-688,815.21

Finding the Fourth Proportional to 1,232,678.07, 1,701,087.42 and 688,815.21

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Solution

The fourth proportional to 1,232,678.07, 1,701,087.42 and 688,815.21 is: 950,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,678.07 : 1,701,087.42 = 688,815.21 : x
  2. Step 2: Convert to fraction form
    1,232,678.07/1,701,087.42 = 688,815.21/x
  3. Step 3: Cross multiply
    1,232,678.07x = 1,701,087.42 × 688,815.21
  4. Step 4: Simplify right side
    1,232,678.07x = 1,171,734,888,435.66
  5. Step 5: Solve for x
    x = 1,171,734,888,435.66/1,232,678.07
  6. Step 6: Final answer
    x = 950,560.34

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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.