Home / 1,114,487.70-1,538,010.90-631,039.92

Finding the Fourth Proportional to 1,114,487.70, 1,538,010.90 and 631,039.92

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Solution

The fourth proportional to 1,114,487.70, 1,538,010.90 and 631,039.92 is: 870,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,487.70 : 1,538,010.90 = 631,039.92 : x
  2. Step 2: Convert to fraction form
    1,114,487.70/1,538,010.90 = 631,039.92/x
  3. Step 3: Cross multiply
    1,114,487.70x = 1,538,010.90 × 631,039.92
  4. Step 4: Simplify right side
    1,114,487.70x = 970,546,275,295.13
  5. Step 5: Solve for x
    x = 970,546,275,295.13/1,114,487.70
  6. Step 6: Final answer
    x = 870,845.21

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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.