Home / 1,271,471.64-1,907,539.15-738,480.30

Finding the Fourth Proportional to 1,271,471.64, 1,907,539.15 and 738,480.30

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Solution

The fourth proportional to 1,271,471.64, 1,907,539.15 and 738,480.30 is: 1,107,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,471.64 : 1,907,539.15 = 738,480.30 : x
  2. Step 2: Convert to fraction form
    1,271,471.64/1,907,539.15 = 738,480.30/x
  3. Step 3: Cross multiply
    1,271,471.64x = 1,907,539.15 × 738,480.30
  4. Step 4: Simplify right side
    1,271,471.64x = 1,408,680,083,753.75
  5. Step 5: Solve for x
    x = 1,408,680,083,753.75/1,271,471.64
  6. Step 6: Final answer
    x = 1,107,913.10

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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.