Home / 1,230,886.60-1,846,145.20-389,329

Finding the Fourth Proportional to 1,230,886.60, 1,846,145.20 and 389,329

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Solution

The fourth proportional to 1,230,886.60, 1,846,145.20 and 389,329 is: 583,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,886.60 : 1,846,145.20 = 389,329 : x
  2. Step 2: Convert to fraction form
    1,230,886.60/1,846,145.20 = 389,329/x
  3. Step 3: Cross multiply
    1,230,886.60x = 1,846,145.20 × 389,329
  4. Step 4: Simplify right side
    1,230,886.60x = 718,757,864,570.80
  5. Step 5: Solve for x
    x = 718,757,864,570.80/1,230,886.60
  6. Step 6: Final answer
    x = 583,935.08

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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.