Home / 1,519,458.12-2,096,711.46-840,380.04

Finding the Fourth Proportional to 1,519,458.12, 2,096,711.46 and 840,380.04

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Solution

The fourth proportional to 1,519,458.12, 2,096,711.46 and 840,380.04 is: 1,159,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,458.12 : 2,096,711.46 = 840,380.04 : x
  2. Step 2: Convert to fraction form
    1,519,458.12/2,096,711.46 = 840,380.04/x
  3. Step 3: Cross multiply
    1,519,458.12x = 2,096,711.46 × 840,380.04
  4. Step 4: Simplify right side
    1,519,458.12x = 1,762,034,460,623.26
  5. Step 5: Solve for x
    x = 1,762,034,460,623.26/1,519,458.12
  6. Step 6: Final answer
    x = 1,159,646.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.