Home / 1,110,635.30-1,666,730.55-480,001.70

Finding the Fourth Proportional to 1,110,635.30, 1,666,730.55 and 480,001.70

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Solution

The fourth proportional to 1,110,635.30, 1,666,730.55 and 480,001.70 is: 720,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,635.30 : 1,666,730.55 = 480,001.70 : x
  2. Step 2: Convert to fraction form
    1,110,635.30/1,666,730.55 = 480,001.70/x
  3. Step 3: Cross multiply
    1,110,635.30x = 1,666,730.55 × 480,001.70
  4. Step 4: Simplify right side
    1,110,635.30x = 800,033,497,441.94
  5. Step 5: Solve for x
    x = 800,033,497,441.94/1,110,635.30
  6. Step 6: Final answer
    x = 720,338.62

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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.