Home / 1,015,431.35-1,401,933.38-653,485.59

Finding the Fourth Proportional to 1,015,431.35, 1,401,933.38 and 653,485.59

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Solution

The fourth proportional to 1,015,431.35, 1,401,933.38 and 653,485.59 is: 902,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,431.35 : 1,401,933.38 = 653,485.59 : x
  2. Step 2: Convert to fraction form
    1,015,431.35/1,401,933.38 = 653,485.59/x
  3. Step 3: Cross multiply
    1,015,431.35x = 1,401,933.38 × 653,485.59
  4. Step 4: Simplify right side
    1,015,431.35x = 916,143,258,702.57
  5. Step 5: Solve for x
    x = 916,143,258,702.57/1,015,431.35
  6. Step 6: Final answer
    x = 902,220.78

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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.