Home / 1,243,404.45-1,865,106.57-344,846.17

Finding the Fourth Proportional to 1,243,404.45, 1,865,106.57 and 344,846.17

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Solution

The fourth proportional to 1,243,404.45, 1,865,106.57 and 344,846.17 is: 517,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,404.45 : 1,865,106.57 = 344,846.17 : x
  2. Step 2: Convert to fraction form
    1,243,404.45/1,865,106.57 = 344,846.17/x
  3. Step 3: Cross multiply
    1,243,404.45x = 1,865,106.57 × 344,846.17
  4. Step 4: Simplify right side
    1,243,404.45x = 643,174,858,344.55
  5. Step 5: Solve for x
    x = 643,174,858,344.55/1,243,404.45
  6. Step 6: Final answer
    x = 517,269.23

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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.