Home / 1,578,884.40-2,368,672.20-513,745.20

Finding the Fourth Proportional to 1,578,884.40, 2,368,672.20 and 513,745.20

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Solution

The fourth proportional to 1,578,884.40, 2,368,672.20 and 513,745.20 is: 770,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,884.40 : 2,368,672.20 = 513,745.20 : x
  2. Step 2: Convert to fraction form
    1,578,884.40/2,368,672.20 = 513,745.20/x
  3. Step 3: Cross multiply
    1,578,884.40x = 2,368,672.20 × 513,745.20
  4. Step 4: Simplify right side
    1,578,884.40x = 1,216,893,973,123.44
  5. Step 5: Solve for x
    x = 1,216,893,973,123.44/1,578,884.40
  6. Step 6: Final answer
    x = 770,730.25

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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.