Home / 1,641,849.20-2,462,543.40-520,031.60

Finding the Fourth Proportional to 1,641,849.20, 2,462,543.40 and 520,031.60

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Solution

The fourth proportional to 1,641,849.20, 2,462,543.40 and 520,031.60 is: 779,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,849.20 : 2,462,543.40 = 520,031.60 : x
  2. Step 2: Convert to fraction form
    1,641,849.20/2,462,543.40 = 520,031.60/x
  3. Step 3: Cross multiply
    1,641,849.20x = 2,462,543.40 × 520,031.60
  4. Step 4: Simplify right side
    1,641,849.20x = 1,280,600,384,371.44
  5. Step 5: Solve for x
    x = 1,280,600,384,371.44/1,641,849.20
  6. Step 6: Final answer
    x = 779,974.42

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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.