Home / 1,512,999.60-2,272,123.80-804,411.60

Finding the Fourth Proportional to 1,512,999.60, 2,272,123.80 and 804,411.60

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Solution

The fourth proportional to 1,512,999.60, 2,272,123.80 and 804,411.60 is: 1,208,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,999.60 : 2,272,123.80 = 804,411.60 : x
  2. Step 2: Convert to fraction form
    1,512,999.60/2,272,123.80 = 804,411.60/x
  3. Step 3: Cross multiply
    1,512,999.60x = 2,272,123.80 × 804,411.60
  4. Step 4: Simplify right side
    1,512,999.60x = 1,827,722,741,356.08
  5. Step 5: Solve for x
    x = 1,827,722,741,356.08/1,512,999.60
  6. Step 6: Final answer
    x = 1,208,012.71

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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.