Home / 1,243,815.52-1,865,733.74-345,327.32

Finding the Fourth Proportional to 1,243,815.52, 1,865,733.74 and 345,327.32

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Solution

The fourth proportional to 1,243,815.52, 1,865,733.74 and 345,327.32 is: 517,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,815.52 : 1,865,733.74 = 345,327.32 : x
  2. Step 2: Convert to fraction form
    1,243,815.52/1,865,733.74 = 345,327.32/x
  3. Step 3: Cross multiply
    1,243,815.52x = 1,865,733.74 × 345,327.32
  4. Step 4: Simplify right side
    1,243,815.52x = 644,288,832,267.78
  5. Step 5: Solve for x
    x = 644,288,832,267.78/1,243,815.52
  6. Step 6: Final answer
    x = 517,993.88

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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.