Home / 1,114,490.96-1,538,015.40-631,043.18

Finding the Fourth Proportional to 1,114,490.96, 1,538,015.40 and 631,043.18

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Solution

The fourth proportional to 1,114,490.96, 1,538,015.40 and 631,043.18 is: 870,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,490.96 : 1,538,015.40 = 631,043.18 : x
  2. Step 2: Convert to fraction form
    1,114,490.96/1,538,015.40 = 631,043.18/x
  3. Step 3: Cross multiply
    1,114,490.96x = 1,538,015.40 × 631,043.18
  4. Step 4: Simplify right side
    1,114,490.96x = 970,554,128,904.97
  5. Step 5: Solve for x
    x = 970,554,128,904.97/1,114,490.96
  6. Step 6: Final answer
    x = 870,849.71

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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.