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Finding the Fourth Proportional to 1,452,930, 2,179,395 and 402,306

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Solution

The fourth proportional to 1,452,930, 2,179,395 and 402,306 is: 603,459

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,930 : 2,179,395 = 402,306 : x
  2. Step 2: Convert to fraction form
    1,452,930/2,179,395 = 402,306/x
  3. Step 3: Cross multiply
    1,452,930x = 2,179,395 × 402,306
  4. Step 4: Simplify right side
    1,452,930x = 876,783,684,870
  5. Step 5: Solve for x
    x = 876,783,684,870/1,452,930
  6. Step 6: Final answer
    x = 603,459

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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.