Home / 1,487,021.73-2,051,605.40-866,685.33

Finding the Fourth Proportional to 1,487,021.73, 2,051,605.40 and 866,685.33

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Solution

The fourth proportional to 1,487,021.73, 2,051,605.40 and 866,685.33 is: 1,195,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,021.73 : 2,051,605.40 = 866,685.33 : x
  2. Step 2: Convert to fraction form
    1,487,021.73/2,051,605.40 = 866,685.33/x
  3. Step 3: Cross multiply
    1,487,021.73x = 2,051,605.40 × 866,685.33
  4. Step 4: Simplify right side
    1,487,021.73x = 1,778,096,305,295.50
  5. Step 5: Solve for x
    x = 1,778,096,305,295.50/1,487,021.73
  6. Step 6: Final answer
    x = 1,195,743.32

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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.