Home / 1,462,812.12-2,193,429.20-663,657.60

Finding the Fourth Proportional to 1,462,812.12, 2,193,429.20 and 663,657.60

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Solution

The fourth proportional to 1,462,812.12, 2,193,429.20 and 663,657.60 is: 995,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,812.12 : 2,193,429.20 = 663,657.60 : x
  2. Step 2: Convert to fraction form
    1,462,812.12/2,193,429.20 = 663,657.60/x
  3. Step 3: Cross multiply
    1,462,812.12x = 2,193,429.20 × 663,657.60
  4. Step 4: Simplify right side
    1,462,812.12x = 1,455,685,958,641.92
  5. Step 5: Solve for x
    x = 1,455,685,958,641.92/1,462,812.12
  6. Step 6: Final answer
    x = 995,128.45

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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.