Home / 860,146.56-1,287,412.29-632,381.85

Finding the Fourth Proportional to 860,146.56, 1,287,412.29 and 632,381.85

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Solution

The fourth proportional to 860,146.56, 1,287,412.29 and 632,381.85 is: 946,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,146.56 : 1,287,412.29 = 632,381.85 : x
  2. Step 2: Convert to fraction form
    860,146.56/1,287,412.29 = 632,381.85/x
  3. Step 3: Cross multiply
    860,146.56x = 1,287,412.29 × 632,381.85
  4. Step 4: Simplify right side
    860,146.56x = 814,136,165,662.94
  5. Step 5: Solve for x
    x = 814,136,165,662.94/860,146.56
  6. Step 6: Final answer
    x = 946,508.66

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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.