Home / 948,269.20-1,418,904.60-864,288.40

Finding the Fourth Proportional to 948,269.20, 1,418,904.60 and 864,288.40

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Solution

The fourth proportional to 948,269.20, 1,418,904.60 and 864,288.40 is: 1,293,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,269.20 : 1,418,904.60 = 864,288.40 : x
  2. Step 2: Convert to fraction form
    948,269.20/1,418,904.60 = 864,288.40/x
  3. Step 3: Cross multiply
    948,269.20x = 1,418,904.60 × 864,288.40
  4. Step 4: Simplify right side
    948,269.20x = 1,226,342,786,486.64
  5. Step 5: Solve for x
    x = 1,226,342,786,486.64/948,269.20
  6. Step 6: Final answer
    x = 1,293,243.30

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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.