Home / 1,492,814.10-2,239,221.15-427,793.70

Finding the Fourth Proportional to 1,492,814.10, 2,239,221.15 and 427,793.70

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Solution

The fourth proportional to 1,492,814.10, 2,239,221.15 and 427,793.70 is: 641,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,814.10 : 2,239,221.15 = 427,793.70 : x
  2. Step 2: Convert to fraction form
    1,492,814.10/2,239,221.15 = 427,793.70/x
  3. Step 3: Cross multiply
    1,492,814.10x = 2,239,221.15 × 427,793.70
  4. Step 4: Simplify right side
    1,492,814.10x = 957,924,700,876.76
  5. Step 5: Solve for x
    x = 957,924,700,876.76/1,492,814.10
  6. Step 6: Final answer
    x = 641,690.55

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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.