Home / 1,122,000.75-1,548,473.13-669,291.75

Finding the Fourth Proportional to 1,122,000.75, 1,548,473.13 and 669,291.75

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Solution

The fourth proportional to 1,122,000.75, 1,548,473.13 and 669,291.75 is: 923,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,000.75 : 1,548,473.13 = 669,291.75 : x
  2. Step 2: Convert to fraction form
    1,122,000.75/1,548,473.13 = 669,291.75/x
  3. Step 3: Cross multiply
    1,122,000.75x = 1,548,473.13 × 669,291.75
  4. Step 4: Simplify right side
    1,122,000.75x = 1,036,380,291,005.68
  5. Step 5: Solve for x
    x = 1,036,380,291,005.68/1,122,000.75
  6. Step 6: Final answer
    x = 923,689.48

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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.