Home / 1,435,742.60-2,153,468.10-489,099.65

Finding the Fourth Proportional to 1,435,742.60, 2,153,468.10 and 489,099.65

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Solution

The fourth proportional to 1,435,742.60, 2,153,468.10 and 489,099.65 is: 733,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,742.60 : 2,153,468.10 = 489,099.65 : x
  2. Step 2: Convert to fraction form
    1,435,742.60/2,153,468.10 = 489,099.65/x
  3. Step 3: Cross multiply
    1,435,742.60x = 2,153,468.10 × 489,099.65
  4. Step 4: Simplify right side
    1,435,742.60x = 1,053,260,493,996.17
  5. Step 5: Solve for x
    x = 1,053,260,493,996.17/1,435,742.60
  6. Step 6: Final answer
    x = 733,599.81

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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.