Home / 1,348,509.80-1,860,999.96-775,550.36

Finding the Fourth Proportional to 1,348,509.80, 1,860,999.96 and 775,550.36

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Solution

The fourth proportional to 1,348,509.80, 1,860,999.96 and 775,550.36 is: 1,070,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,509.80 : 1,860,999.96 = 775,550.36 : x
  2. Step 2: Convert to fraction form
    1,348,509.80/1,860,999.96 = 775,550.36/x
  3. Step 3: Cross multiply
    1,348,509.80x = 1,860,999.96 × 775,550.36
  4. Step 4: Simplify right side
    1,348,509.80x = 1,443,299,188,937.99
  5. Step 5: Solve for x
    x = 1,443,299,188,937.99/1,348,509.80
  6. Step 6: Final answer
    x = 1,070,291.95

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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.