Home / 1,437,793-2,156,502.12-426,894.64

Finding the Fourth Proportional to 1,437,793, 2,156,502.12 and 426,894.64

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Solution

The fourth proportional to 1,437,793, 2,156,502.12 and 426,894.64 is: 640,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,793 : 2,156,502.12 = 426,894.64 : x
  2. Step 2: Convert to fraction form
    1,437,793/2,156,502.12 = 426,894.64/x
  3. Step 3: Cross multiply
    1,437,793x = 2,156,502.12 × 426,894.64
  4. Step 4: Simplify right side
    1,437,793x = 920,599,196,176.64
  5. Step 5: Solve for x
    x = 920,599,196,176.64/1,437,793
  6. Step 6: Final answer
    x = 640,286.33

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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.