Home / 1,479,861.60-2,219,792.40-1,178,711.70

Finding the Fourth Proportional to 1,479,861.60, 2,219,792.40 and 1,178,711.70

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Solution

The fourth proportional to 1,479,861.60, 2,219,792.40 and 1,178,711.70 is: 1,768,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,861.60 : 2,219,792.40 = 1,178,711.70 : x
  2. Step 2: Convert to fraction form
    1,479,861.60/2,219,792.40 = 1,178,711.70/x
  3. Step 3: Cross multiply
    1,479,861.60x = 2,219,792.40 × 1,178,711.70
  4. Step 4: Simplify right side
    1,479,861.60x = 2,616,495,273,451.08
  5. Step 5: Solve for x
    x = 2,616,495,273,451.08/1,479,861.60
  6. Step 6: Final answer
    x = 1,768,067.55

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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.