Home / 1,759,959.64-2,639,516.46-812,420.20

Finding the Fourth Proportional to 1,759,959.64, 2,639,516.46 and 812,420.20

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Solution

The fourth proportional to 1,759,959.64, 2,639,516.46 and 812,420.20 is: 1,218,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,959.64 : 2,639,516.46 = 812,420.20 : x
  2. Step 2: Convert to fraction form
    1,759,959.64/2,639,516.46 = 812,420.20/x
  3. Step 3: Cross multiply
    1,759,959.64x = 2,639,516.46 × 812,420.20
  4. Step 4: Simplify right side
    1,759,959.64x = 2,144,396,490,336.49
  5. Step 5: Solve for x
    x = 2,144,396,490,336.49/1,759,959.64
  6. Step 6: Final answer
    x = 1,218,435.04

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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.