Home / 1,243,266.60-1,860,234.30-1,131,292.20

Finding the Fourth Proportional to 1,243,266.60, 1,860,234.30 and 1,131,292.20

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Solution

The fourth proportional to 1,243,266.60, 1,860,234.30 and 1,131,292.20 is: 1,692,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,266.60 : 1,860,234.30 = 1,131,292.20 : x
  2. Step 2: Convert to fraction form
    1,243,266.60/1,860,234.30 = 1,131,292.20/x
  3. Step 3: Cross multiply
    1,243,266.60x = 1,860,234.30 × 1,131,292.20
  4. Step 4: Simplify right side
    1,243,266.60x = 2,104,468,553,762.46
  5. Step 5: Solve for x
    x = 2,104,468,553,762.46/1,243,266.60
  6. Step 6: Final answer
    x = 1,692,692.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.