Home / 890,337.40-1,335,506.10-858,844.60

Finding the Fourth Proportional to 890,337.40, 1,335,506.10 and 858,844.60

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Solution

The fourth proportional to 890,337.40, 1,335,506.10 and 858,844.60 is: 1,288,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,337.40 : 1,335,506.10 = 858,844.60 : x
  2. Step 2: Convert to fraction form
    890,337.40/1,335,506.10 = 858,844.60/x
  3. Step 3: Cross multiply
    890,337.40x = 1,335,506.10 × 858,844.60
  4. Step 4: Simplify right side
    890,337.40x = 1,146,992,202,252.06
  5. Step 5: Solve for x
    x = 1,146,992,202,252.06/890,337.40
  6. Step 6: Final answer
    x = 1,288,266.90

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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.