Home / 1,120,429.12-1,680,862.20-362,458.48

Finding the Fourth Proportional to 1,120,429.12, 1,680,862.20 and 362,458.48

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Solution

The fourth proportional to 1,120,429.12, 1,680,862.20 and 362,458.48 is: 543,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,429.12 : 1,680,862.20 = 362,458.48 : x
  2. Step 2: Convert to fraction form
    1,120,429.12/1,680,862.20 = 362,458.48/x
  3. Step 3: Cross multiply
    1,120,429.12x = 1,680,862.20 × 362,458.48
  4. Step 4: Simplify right side
    1,120,429.12x = 609,242,758,101.46
  5. Step 5: Solve for x
    x = 609,242,758,101.46/1,120,429.12
  6. Step 6: Final answer
    x = 543,758.41

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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.