Home / 1,069,507.29-1,603,180.78-670,427.79

Finding the Fourth Proportional to 1,069,507.29, 1,603,180.78 and 670,427.79

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Solution

The fourth proportional to 1,069,507.29, 1,603,180.78 and 670,427.79 is: 1,004,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,507.29 : 1,603,180.78 = 670,427.79 : x
  2. Step 2: Convert to fraction form
    1,069,507.29/1,603,180.78 = 670,427.79/x
  3. Step 3: Cross multiply
    1,069,507.29x = 1,603,180.78 × 670,427.79
  4. Step 4: Simplify right side
    1,069,507.29x = 1,074,816,947,305.88
  5. Step 5: Solve for x
    x = 1,074,816,947,305.88/1,069,507.29
  6. Step 6: Final answer
    x = 1,004,964.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.