Home / 1,348,471.73-1,860,947.56-775,512.36

Finding the Fourth Proportional to 1,348,471.73, 1,860,947.56 and 775,512.36

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Solution

The fourth proportional to 1,348,471.73, 1,860,947.56 and 775,512.36 is: 1,070,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,471.73 : 1,860,947.56 = 775,512.36 : x
  2. Step 2: Convert to fraction form
    1,348,471.73/1,860,947.56 = 775,512.36/x
  3. Step 3: Cross multiply
    1,348,471.73x = 1,860,947.56 × 775,512.36
  4. Step 4: Simplify right side
    1,348,471.73x = 1,443,187,835,061.23
  5. Step 5: Solve for x
    x = 1,443,187,835,061.23/1,348,471.73
  6. Step 6: Final answer
    x = 1,070,239.59

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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.