Home / 1,348,477.21-1,860,955.10-775,517.83

Finding the Fourth Proportional to 1,348,477.21, 1,860,955.10 and 775,517.83

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Solution

The fourth proportional to 1,348,477.21, 1,860,955.10 and 775,517.83 is: 1,070,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,477.21 : 1,860,955.10 = 775,517.83 : x
  2. Step 2: Convert to fraction form
    1,348,477.21/1,860,955.10 = 775,517.83/x
  3. Step 3: Cross multiply
    1,348,477.21x = 1,860,955.10 × 775,517.83
  4. Step 4: Simplify right side
    1,348,477.21x = 1,443,203,860,879.43
  5. Step 5: Solve for x
    x = 1,443,203,860,879.43/1,348,477.21
  6. Step 6: Final answer
    x = 1,070,247.13

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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.