Home / 1,002,850.60-1,383,225.24-621,000.40

Finding the Fourth Proportional to 1,002,850.60, 1,383,225.24 and 621,000.40

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Solution

The fourth proportional to 1,002,850.60, 1,383,225.24 and 621,000.40 is: 856,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,850.60 : 1,383,225.24 = 621,000.40 : x
  2. Step 2: Convert to fraction form
    1,002,850.60/1,383,225.24 = 621,000.40/x
  3. Step 3: Cross multiply
    1,002,850.60x = 1,383,225.24 × 621,000.40
  4. Step 4: Simplify right side
    1,002,850.60x = 858,983,427,330.10
  5. Step 5: Solve for x
    x = 858,983,427,330.10/1,002,850.60
  6. Step 6: Final answer
    x = 856,541.77

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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.