Home / 1,209,834.51-1,814,751.81-451,735.10

Finding the Fourth Proportional to 1,209,834.51, 1,814,751.81 and 451,735.10

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Solution

The fourth proportional to 1,209,834.51, 1,814,751.81 and 451,735.10 is: 677,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,834.51 : 1,814,751.81 = 451,735.10 : x
  2. Step 2: Convert to fraction form
    1,209,834.51/1,814,751.81 = 451,735.10/x
  3. Step 3: Cross multiply
    1,209,834.51x = 1,814,751.81 × 451,735.10
  4. Step 4: Simplify right side
    1,209,834.51x = 819,787,081,291.77
  5. Step 5: Solve for x
    x = 819,787,081,291.77/1,209,834.51
  6. Step 6: Final answer
    x = 677,602.66

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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.