Home / 1,215,248.20-1,822,965.35-362,254.64

Finding the Fourth Proportional to 1,215,248.20, 1,822,965.35 and 362,254.64

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Solution

The fourth proportional to 1,215,248.20, 1,822,965.35 and 362,254.64 is: 543,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,248.20 : 1,822,965.35 = 362,254.64 : x
  2. Step 2: Convert to fraction form
    1,215,248.20/1,822,965.35 = 362,254.64/x
  3. Step 3: Cross multiply
    1,215,248.20x = 1,822,965.35 × 362,254.64
  4. Step 4: Simplify right side
    1,215,248.20x = 660,377,658,488.35
  5. Step 5: Solve for x
    x = 660,377,658,488.35/1,215,248.20
  6. Step 6: Final answer
    x = 543,409.70

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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.