Home / 1,342,269.78-2,013,719.96-443,711.47

Finding the Fourth Proportional to 1,342,269.78, 2,013,719.96 and 443,711.47

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Solution

The fourth proportional to 1,342,269.78, 2,013,719.96 and 443,711.47 is: 665,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,269.78 : 2,013,719.96 = 443,711.47 : x
  2. Step 2: Convert to fraction form
    1,342,269.78/2,013,719.96 = 443,711.47/x
  3. Step 3: Cross multiply
    1,342,269.78x = 2,013,719.96 × 443,711.47
  4. Step 4: Simplify right side
    1,342,269.78x = 893,510,639,694.92
  5. Step 5: Solve for x
    x = 893,510,639,694.92/1,342,269.78
  6. Step 6: Final answer
    x = 665,671.43

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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.