Home / 1,199,520.64-1,799,252.28-389,904.04

Finding the Fourth Proportional to 1,199,520.64, 1,799,252.28 and 389,904.04

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Solution

The fourth proportional to 1,199,520.64, 1,799,252.28 and 389,904.04 is: 584,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,520.64 : 1,799,252.28 = 389,904.04 : x
  2. Step 2: Convert to fraction form
    1,199,520.64/1,799,252.28 = 389,904.04/x
  3. Step 3: Cross multiply
    1,199,520.64x = 1,799,252.28 × 389,904.04
  4. Step 4: Simplify right side
    1,199,520.64x = 701,535,732,951.21
  5. Step 5: Solve for x
    x = 701,535,732,951.21/1,199,520.64
  6. Step 6: Final answer
    x = 584,846.74

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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.