Home / 1,082,261.40-1,623,392.10-858,312.60

Finding the Fourth Proportional to 1,082,261.40, 1,623,392.10 and 858,312.60

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Solution

The fourth proportional to 1,082,261.40, 1,623,392.10 and 858,312.60 is: 1,287,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,261.40 : 1,623,392.10 = 858,312.60 : x
  2. Step 2: Convert to fraction form
    1,082,261.40/1,623,392.10 = 858,312.60/x
  3. Step 3: Cross multiply
    1,082,261.40x = 1,623,392.10 × 858,312.60
  4. Step 4: Simplify right side
    1,082,261.40x = 1,393,377,894,170.46
  5. Step 5: Solve for x
    x = 1,393,377,894,170.46/1,082,261.40
  6. Step 6: Final answer
    x = 1,287,468.90

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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.