Home / 1,212,429.92-1,818,644.56-413,711.40

Finding the Fourth Proportional to 1,212,429.92, 1,818,644.56 and 413,711.40

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Solution

The fourth proportional to 1,212,429.92, 1,818,644.56 and 413,711.40 is: 620,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,429.92 : 1,818,644.56 = 413,711.40 : x
  2. Step 2: Convert to fraction form
    1,212,429.92/1,818,644.56 = 413,711.40/x
  3. Step 3: Cross multiply
    1,212,429.92x = 1,818,644.56 × 413,711.40
  4. Step 4: Simplify right side
    1,212,429.92x = 752,393,987,019.98
  5. Step 5: Solve for x
    x = 752,393,987,019.98/1,212,429.92
  6. Step 6: Final answer
    x = 620,566.99

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1.5x scale

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.