Home / 829,010.20-1,242,203.10-695,165.80

Finding the Fourth Proportional to 829,010.20, 1,242,203.10 and 695,165.80

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Solution

The fourth proportional to 829,010.20, 1,242,203.10 and 695,165.80 is: 1,041,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,010.20 : 1,242,203.10 = 695,165.80 : x
  2. Step 2: Convert to fraction form
    829,010.20/1,242,203.10 = 695,165.80/x
  3. Step 3: Cross multiply
    829,010.20x = 1,242,203.10 × 695,165.80
  4. Step 4: Simplify right side
    829,010.20x = 863,537,111,773.98
  5. Step 5: Solve for x
    x = 863,537,111,773.98/829,010.20
  6. Step 6: Final answer
    x = 1,041,648.36

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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.