Home / 1,426,829.87-2,140,220.12-480,200.58

Finding the Fourth Proportional to 1,426,829.87, 2,140,220.12 and 480,200.58

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Solution

The fourth proportional to 1,426,829.87, 2,140,220.12 and 480,200.58 is: 720,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,829.87 : 2,140,220.12 = 480,200.58 : x
  2. Step 2: Convert to fraction form
    1,426,829.87/2,140,220.12 = 480,200.58/x
  3. Step 3: Cross multiply
    1,426,829.87x = 2,140,220.12 × 480,200.58
  4. Step 4: Simplify right side
    1,426,829.87x = 1,027,734,940,550.67
  5. Step 5: Solve for x
    x = 1,027,734,940,550.67/1,426,829.87
  6. Step 6: Final answer
    x = 720,292.56

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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.