Home / 1,331,125.65-1,996,688.48-827,240.85

Finding the Fourth Proportional to 1,331,125.65, 1,996,688.48 and 827,240.85

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Solution

The fourth proportional to 1,331,125.65, 1,996,688.48 and 827,240.85 is: 1,240,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,125.65 : 1,996,688.48 = 827,240.85 : x
  2. Step 2: Convert to fraction form
    1,331,125.65/1,996,688.48 = 827,240.85/x
  3. Step 3: Cross multiply
    1,331,125.65x = 1,996,688.48 × 827,240.85
  4. Step 4: Simplify right side
    1,331,125.65x = 1,651,742,271,244.20
  5. Step 5: Solve for x
    x = 1,651,742,271,244.20/1,331,125.65
  6. Step 6: Final answer
    x = 1,240,861.28

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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.