Home / 1,219,322.64-1,682,643.18-675,456.78

Finding the Fourth Proportional to 1,219,322.64, 1,682,643.18 and 675,456.78

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Solution

The fourth proportional to 1,219,322.64, 1,682,643.18 and 675,456.78 is: 932,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,322.64 : 1,682,643.18 = 675,456.78 : x
  2. Step 2: Convert to fraction form
    1,219,322.64/1,682,643.18 = 675,456.78/x
  3. Step 3: Cross multiply
    1,219,322.64x = 1,682,643.18 × 675,456.78
  4. Step 4: Simplify right side
    1,219,322.64x = 1,136,552,744,251.76
  5. Step 5: Solve for x
    x = 1,136,552,744,251.76/1,219,322.64
  6. Step 6: Final answer
    x = 932,118.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.