Home / 1,206,379.41-1,664,387.33-771,051.62

Finding the Fourth Proportional to 1,206,379.41, 1,664,387.33 and 771,051.62

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Solution

The fourth proportional to 1,206,379.41, 1,664,387.33 and 771,051.62 is: 1,063,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,379.41 : 1,664,387.33 = 771,051.62 : x
  2. Step 2: Convert to fraction form
    1,206,379.41/1,664,387.33 = 771,051.62/x
  3. Step 3: Cross multiply
    1,206,379.41x = 1,664,387.33 × 771,051.62
  4. Step 4: Simplify right side
    1,206,379.41x = 1,283,328,534,926.78
  5. Step 5: Solve for x
    x = 1,283,328,534,926.78/1,206,379.41
  6. Step 6: Final answer
    x = 1,063,785.18

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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.