Home / 1,216,829.52-1,825,350.12-318,267.36

Finding the Fourth Proportional to 1,216,829.52, 1,825,350.12 and 318,267.36

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Solution

The fourth proportional to 1,216,829.52, 1,825,350.12 and 318,267.36 is: 477,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,829.52 : 1,825,350.12 = 318,267.36 : x
  2. Step 2: Convert to fraction form
    1,216,829.52/1,825,350.12 = 318,267.36/x
  3. Step 3: Cross multiply
    1,216,829.52x = 1,825,350.12 × 318,267.36
  4. Step 4: Simplify right side
    1,216,829.52x = 580,949,363,768.08
  5. Step 5: Solve for x
    x = 580,949,363,768.08/1,216,829.52
  6. Step 6: Final answer
    x = 477,428.72

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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.