Home / 1,206,048.32-1,665,125.58-747,652.78

Finding the Fourth Proportional to 1,206,048.32, 1,665,125.58 and 747,652.78

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Solution

The fourth proportional to 1,206,048.32, 1,665,125.58 and 747,652.78 is: 1,032,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,048.32 : 1,665,125.58 = 747,652.78 : x
  2. Step 2: Convert to fraction form
    1,206,048.32/1,665,125.58 = 747,652.78/x
  3. Step 3: Cross multiply
    1,206,048.32x = 1,665,125.58 × 747,652.78
  4. Step 4: Simplify right side
    1,206,048.32x = 1,244,935,768,936.11
  5. Step 5: Solve for x
    x = 1,244,935,768,936.11/1,206,048.32
  6. Step 6: Final answer
    x = 1,032,243.69

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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.