Home / 1,146,908.70-1,721,140.65-746,574.30

Finding the Fourth Proportional to 1,146,908.70, 1,721,140.65 and 746,574.30

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Solution

The fourth proportional to 1,146,908.70, 1,721,140.65 and 746,574.30 is: 1,120,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,908.70 : 1,721,140.65 = 746,574.30 : x
  2. Step 2: Convert to fraction form
    1,146,908.70/1,721,140.65 = 746,574.30/x
  3. Step 3: Cross multiply
    1,146,908.70x = 1,721,140.65 × 746,574.30
  4. Step 4: Simplify right side
    1,146,908.70x = 1,284,959,375,975.30
  5. Step 5: Solve for x
    x = 1,284,959,375,975.30/1,146,908.70
  6. Step 6: Final answer
    x = 1,120,367.62

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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.