Home / 1,861,128.20-2,789,707.34-1,060,686.20

Finding the Fourth Proportional to 1,861,128.20, 2,789,707.34 and 1,060,686.20

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Solution

The fourth proportional to 1,861,128.20, 2,789,707.34 and 1,060,686.20 is: 1,589,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,128.20 : 2,789,707.34 = 1,060,686.20 : x
  2. Step 2: Convert to fraction form
    1,861,128.20/2,789,707.34 = 1,060,686.20/x
  3. Step 3: Cross multiply
    1,861,128.20x = 2,789,707.34 × 1,060,686.20
  4. Step 4: Simplify right side
    1,861,128.20x = 2,959,004,077,576.71
  5. Step 5: Solve for x
    x = 2,959,004,077,576.71/1,861,128.20
  6. Step 6: Final answer
    x = 1,589,898.04

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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.