Home / 1,438,917.65-2,158,625.82-586,453.06

Finding the Fourth Proportional to 1,438,917.65, 2,158,625.82 and 586,453.06

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Solution

The fourth proportional to 1,438,917.65, 2,158,625.82 and 586,453.06 is: 879,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,917.65 : 2,158,625.82 = 586,453.06 : x
  2. Step 2: Convert to fraction form
    1,438,917.65/2,158,625.82 = 586,453.06/x
  3. Step 3: Cross multiply
    1,438,917.65x = 2,158,625.82 × 586,453.06
  4. Step 4: Simplify right side
    1,438,917.65x = 1,265,932,703,808.62
  5. Step 5: Solve for x
    x = 1,265,932,703,808.62/1,438,917.65
  6. Step 6: Final answer
    x = 879,781.21

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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.