Home / 916,469.60-1,374,704.40-902,472.80

Finding the Fourth Proportional to 916,469.60, 1,374,704.40 and 902,472.80

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Solution

The fourth proportional to 916,469.60, 1,374,704.40 and 902,472.80 is: 1,353,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,469.60 : 1,374,704.40 = 902,472.80 : x
  2. Step 2: Convert to fraction form
    916,469.60/1,374,704.40 = 902,472.80/x
  3. Step 3: Cross multiply
    916,469.60x = 1,374,704.40 × 902,472.80
  4. Step 4: Simplify right side
    916,469.60x = 1,240,633,329,040.32
  5. Step 5: Solve for x
    x = 1,240,633,329,040.32/916,469.60
  6. Step 6: Final answer
    x = 1,353,709.20

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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.