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Finding the Fourth Proportional to 1,342,052, 2,013,078 and 344,780

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Solution

The fourth proportional to 1,342,052, 2,013,078 and 344,780 is: 517,170

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,052 : 2,013,078 = 344,780 : x
  2. Step 2: Convert to fraction form
    1,342,052/2,013,078 = 344,780/x
  3. Step 3: Cross multiply
    1,342,052x = 2,013,078 × 344,780
  4. Step 4: Simplify right side
    1,342,052x = 694,069,032,840
  5. Step 5: Solve for x
    x = 694,069,032,840/1,342,052
  6. Step 6: Final answer
    x = 517,170

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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.