Home / 1,385,123.54-1,910,927.54-804,247.53

Finding the Fourth Proportional to 1,385,123.54, 1,910,927.54 and 804,247.53

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Solution

The fourth proportional to 1,385,123.54, 1,910,927.54 and 804,247.53 is: 1,109,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,123.54 : 1,910,927.54 = 804,247.53 : x
  2. Step 2: Convert to fraction form
    1,385,123.54/1,910,927.54 = 804,247.53/x
  3. Step 3: Cross multiply
    1,385,123.54x = 1,910,927.54 × 804,247.53
  4. Step 4: Simplify right side
    1,385,123.54x = 1,536,858,750,032.74
  5. Step 5: Solve for x
    x = 1,536,858,750,032.74/1,385,123.54
  6. Step 6: Final answer
    x = 1,109,546.34

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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.