Home / 1,121,992.83-1,548,462.15-669,283.83

Finding the Fourth Proportional to 1,121,992.83, 1,548,462.15 and 669,283.83

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Solution

The fourth proportional to 1,121,992.83, 1,548,462.15 and 669,283.83 is: 923,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,992.83 : 1,548,462.15 = 669,283.83 : x
  2. Step 2: Convert to fraction form
    1,121,992.83/1,548,462.15 = 669,283.83/x
  3. Step 3: Cross multiply
    1,121,992.83x = 1,548,462.15 × 669,283.83
  4. Step 4: Simplify right side
    1,121,992.83x = 1,036,360,678,362.03
  5. Step 5: Solve for x
    x = 1,036,360,678,362.03/1,121,992.83
  6. Step 6: Final answer
    x = 923,678.52

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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.