Home / 1,218,560.96-1,681,084.70-734,857.31

Finding the Fourth Proportional to 1,218,560.96, 1,681,084.70 and 734,857.31

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Solution

The fourth proportional to 1,218,560.96, 1,681,084.70 and 734,857.31 is: 1,013,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,560.96 : 1,681,084.70 = 734,857.31 : x
  2. Step 2: Convert to fraction form
    1,218,560.96/1,681,084.70 = 734,857.31/x
  3. Step 3: Cross multiply
    1,218,560.96x = 1,681,084.70 × 734,857.31
  4. Step 4: Simplify right side
    1,218,560.96x = 1,235,357,372,118.73
  5. Step 5: Solve for x
    x = 1,235,357,372,118.73/1,218,560.96
  6. Step 6: Final answer
    x = 1,013,783.81

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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.