Home / 1,197,103.60-1,795,671.20-398,385.28

Finding the Fourth Proportional to 1,197,103.60, 1,795,671.20 and 398,385.28

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Solution

The fourth proportional to 1,197,103.60, 1,795,671.20 and 398,385.28 is: 597,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,103.60 : 1,795,671.20 = 398,385.28 : x
  2. Step 2: Convert to fraction form
    1,197,103.60/1,795,671.20 = 398,385.28/x
  3. Step 3: Cross multiply
    1,197,103.60x = 1,795,671.20 × 398,385.28
  4. Step 4: Simplify right side
    1,197,103.60x = 715,368,973,799.94
  5. Step 5: Solve for x
    x = 715,368,973,799.94/1,197,103.60
  6. Step 6: Final answer
    x = 597,583.18

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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.