Home / 1,069,538.45-1,603,227.53-670,458.94

Finding the Fourth Proportional to 1,069,538.45, 1,603,227.53 and 670,458.94

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Solution

The fourth proportional to 1,069,538.45, 1,603,227.53 and 670,458.94 is: 1,005,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,538.45 : 1,603,227.53 = 670,458.94 : x
  2. Step 2: Convert to fraction form
    1,069,538.45/1,603,227.53 = 670,458.94/x
  3. Step 3: Cross multiply
    1,069,538.45x = 1,603,227.53 × 670,458.94
  4. Step 4: Simplify right side
    1,069,538.45x = 1,074,898,222,982.25
  5. Step 5: Solve for x
    x = 1,074,898,222,982.25/1,069,538.45
  6. Step 6: Final answer
    x = 1,005,011.30

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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.