Home / 1,243,404.83-1,865,107.13-344,846.54

Finding the Fourth Proportional to 1,243,404.83, 1,865,107.13 and 344,846.54

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Solution

The fourth proportional to 1,243,404.83, 1,865,107.13 and 344,846.54 is: 517,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,404.83 : 1,865,107.13 = 344,846.54 : x
  2. Step 2: Convert to fraction form
    1,243,404.83/1,865,107.13 = 344,846.54/x
  3. Step 3: Cross multiply
    1,243,404.83x = 1,865,107.13 × 344,846.54
  4. Step 4: Simplify right side
    1,243,404.83x = 643,175,746,034.71
  5. Step 5: Solve for x
    x = 643,175,746,034.71/1,243,404.83
  6. Step 6: Final answer
    x = 517,269.78

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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.