Home / 1,486,358.04-2,229,099.68-421,493.16

Finding the Fourth Proportional to 1,486,358.04, 2,229,099.68 and 421,493.16

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Solution

The fourth proportional to 1,486,358.04, 2,229,099.68 and 421,493.16 is: 632,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,358.04 : 2,229,099.68 = 421,493.16 : x
  2. Step 2: Convert to fraction form
    1,486,358.04/2,229,099.68 = 421,493.16/x
  3. Step 3: Cross multiply
    1,486,358.04x = 2,229,099.68 × 421,493.16
  4. Step 4: Simplify right side
    1,486,358.04x = 939,550,268,078.19
  5. Step 5: Solve for x
    x = 939,550,268,078.19/1,486,358.04
  6. Step 6: Final answer
    x = 632,115.71

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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.