Home / 1,346,139.80-1,860,092.09-1,023,289.39

Finding the Fourth Proportional to 1,346,139.80, 1,860,092.09 and 1,023,289.39

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Solution

The fourth proportional to 1,346,139.80, 1,860,092.09 and 1,023,289.39 is: 1,413,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,139.80 : 1,860,092.09 = 1,023,289.39 : x
  2. Step 2: Convert to fraction form
    1,346,139.80/1,860,092.09 = 1,023,289.39/x
  3. Step 3: Cross multiply
    1,346,139.80x = 1,860,092.09 × 1,023,289.39
  4. Step 4: Simplify right side
    1,346,139.80x = 1,903,412,498,027.92
  5. Step 5: Solve for x
    x = 1,903,412,498,027.92/1,346,139.80
  6. Step 6: Final answer
    x = 1,413,978.33

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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.