Home / 1,300,613.65-1,951,107.40-402,125.44

Finding the Fourth Proportional to 1,300,613.65, 1,951,107.40 and 402,125.44

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Solution

The fourth proportional to 1,300,613.65, 1,951,107.40 and 402,125.44 is: 603,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,613.65 : 1,951,107.40 = 402,125.44 : x
  2. Step 2: Convert to fraction form
    1,300,613.65/1,951,107.40 = 402,125.44/x
  3. Step 3: Cross multiply
    1,300,613.65x = 1,951,107.40 × 402,125.44
  4. Step 4: Simplify right side
    1,300,613.65x = 784,589,921,712.26
  5. Step 5: Solve for x
    x = 784,589,921,712.26/1,300,613.65
  6. Step 6: Final answer
    x = 603,245.96

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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.