Home / 1,296,006.40-1,942,627.20-496,979.20

Finding the Fourth Proportional to 1,296,006.40, 1,942,627.20 and 496,979.20

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Solution

The fourth proportional to 1,296,006.40, 1,942,627.20 and 496,979.20 is: 744,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,006.40 : 1,942,627.20 = 496,979.20 : x
  2. Step 2: Convert to fraction form
    1,296,006.40/1,942,627.20 = 496,979.20/x
  3. Step 3: Cross multiply
    1,296,006.40x = 1,942,627.20 × 496,979.20
  4. Step 4: Simplify right side
    1,296,006.40x = 965,445,311,754.24
  5. Step 5: Solve for x
    x = 965,445,311,754.24/1,296,006.40
  6. Step 6: Final answer
    x = 744,938.69

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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.