Home / 1,274,353.71-1,911,528.25-376,426.03

Finding the Fourth Proportional to 1,274,353.71, 1,911,528.25 and 376,426.03

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Solution

The fourth proportional to 1,274,353.71, 1,911,528.25 and 376,426.03 is: 564,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,353.71 : 1,911,528.25 = 376,426.03 : x
  2. Step 2: Convert to fraction form
    1,274,353.71/1,911,528.25 = 376,426.03/x
  3. Step 3: Cross multiply
    1,274,353.71x = 1,911,528.25 × 376,426.03
  4. Step 4: Simplify right side
    1,274,353.71x = 719,548,990,380.35
  5. Step 5: Solve for x
    x = 719,548,990,380.35/1,274,353.71
  6. Step 6: Final answer
    x = 564,638.36

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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.