Home / 1,206,365.40-1,665,563.72-747,966.96

Finding the Fourth Proportional to 1,206,365.40, 1,665,563.72 and 747,966.96

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Solution

The fourth proportional to 1,206,365.40, 1,665,563.72 and 747,966.96 is: 1,032,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,365.40 : 1,665,563.72 = 747,966.96 : x
  2. Step 2: Convert to fraction form
    1,206,365.40/1,665,563.72 = 747,966.96/x
  3. Step 3: Cross multiply
    1,206,365.40x = 1,665,563.72 × 747,966.96
  4. Step 4: Simplify right side
    1,206,365.40x = 1,245,786,628,594.86
  5. Step 5: Solve for x
    x = 1,245,786,628,594.86/1,206,365.40
  6. Step 6: Final answer
    x = 1,032,677.69

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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.