Home / 945,702.80-1,418,554.20-919,458.80

Finding the Fourth Proportional to 945,702.80, 1,418,554.20 and 919,458.80

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Solution

The fourth proportional to 945,702.80, 1,418,554.20 and 919,458.80 is: 1,379,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,702.80 : 1,418,554.20 = 919,458.80 : x
  2. Step 2: Convert to fraction form
    945,702.80/1,418,554.20 = 919,458.80/x
  3. Step 3: Cross multiply
    945,702.80x = 1,418,554.20 × 919,458.80
  4. Step 4: Simplify right side
    945,702.80x = 1,304,302,142,466.96
  5. Step 5: Solve for x
    x = 1,304,302,142,466.96/945,702.80
  6. Step 6: Final answer
    x = 1,379,188.20

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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.