Home / 1,209,078.80-1,813,618.20-367,629.20

Finding the Fourth Proportional to 1,209,078.80, 1,813,618.20 and 367,629.20

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Solution

The fourth proportional to 1,209,078.80, 1,813,618.20 and 367,629.20 is: 551,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,078.80 : 1,813,618.20 = 367,629.20 : x
  2. Step 2: Convert to fraction form
    1,209,078.80/1,813,618.20 = 367,629.20/x
  3. Step 3: Cross multiply
    1,209,078.80x = 1,813,618.20 × 367,629.20
  4. Step 4: Simplify right side
    1,209,078.80x = 666,739,007,971.44
  5. Step 5: Solve for x
    x = 666,739,007,971.44/1,209,078.80
  6. Step 6: Final answer
    x = 551,443.80

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1.5x scale

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.