Home / 1,278,270.05-1,764,049.30-705,347.13

Finding the Fourth Proportional to 1,278,270.05, 1,764,049.30 and 705,347.13

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Solution

The fourth proportional to 1,278,270.05, 1,764,049.30 and 705,347.13 is: 973,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,270.05 : 1,764,049.30 = 705,347.13 : x
  2. Step 2: Convert to fraction form
    1,278,270.05/1,764,049.30 = 705,347.13/x
  3. Step 3: Cross multiply
    1,278,270.05x = 1,764,049.30 × 705,347.13
  4. Step 4: Simplify right side
    1,278,270.05x = 1,244,267,110,933.51
  5. Step 5: Solve for x
    x = 1,244,267,110,933.51/1,278,270.05
  6. Step 6: Final answer
    x = 973,399.25

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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.