Home / 1,008,123.40-1,512,314.70-502,942.60

Finding the Fourth Proportional to 1,008,123.40, 1,512,314.70 and 502,942.60

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Solution

The fourth proportional to 1,008,123.40, 1,512,314.70 and 502,942.60 is: 754,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,123.40 : 1,512,314.70 = 502,942.60 : x
  2. Step 2: Convert to fraction form
    1,008,123.40/1,512,314.70 = 502,942.60/x
  3. Step 3: Cross multiply
    1,008,123.40x = 1,512,314.70 × 502,942.60
  4. Step 4: Simplify right side
    1,008,123.40x = 760,607,487,236.22
  5. Step 5: Solve for x
    x = 760,607,487,236.22/1,008,123.40
  6. Step 6: Final answer
    x = 754,478.56

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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.