Home / 1,199,521.64-1,799,253.78-389,905.04

Finding the Fourth Proportional to 1,199,521.64, 1,799,253.78 and 389,905.04

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Solution

The fourth proportional to 1,199,521.64, 1,799,253.78 and 389,905.04 is: 584,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,521.64 : 1,799,253.78 = 389,905.04 : x
  2. Step 2: Convert to fraction form
    1,199,521.64/1,799,253.78 = 389,905.04/x
  3. Step 3: Cross multiply
    1,199,521.64x = 1,799,253.78 × 389,905.04
  4. Step 4: Simplify right side
    1,199,521.64x = 701,538,117,061.05
  5. Step 5: Solve for x
    x = 701,538,117,061.05/1,199,521.64
  6. Step 6: Final answer
    x = 584,848.24

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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.