Home / 945,801.70-1,418,702.55-890,505.70

Finding the Fourth Proportional to 945,801.70, 1,418,702.55 and 890,505.70

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Solution

The fourth proportional to 945,801.70, 1,418,702.55 and 890,505.70 is: 1,335,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,801.70 : 1,418,702.55 = 890,505.70 : x
  2. Step 2: Convert to fraction form
    945,801.70/1,418,702.55 = 890,505.70/x
  3. Step 3: Cross multiply
    945,801.70x = 1,418,702.55 × 890,505.70
  4. Step 4: Simplify right side
    945,801.70x = 1,263,362,707,379.53
  5. Step 5: Solve for x
    x = 1,263,362,707,379.53/945,801.70
  6. Step 6: Final answer
    x = 1,335,758.55

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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.