Home / 1,212,801.20-1,819,207.20-314,179.10

Finding the Fourth Proportional to 1,212,801.20, 1,819,207.20 and 314,179.10

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Solution

The fourth proportional to 1,212,801.20, 1,819,207.20 and 314,179.10 is: 471,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,801.20 : 1,819,207.20 = 314,179.10 : x
  2. Step 2: Convert to fraction form
    1,212,801.20/1,819,207.20 = 314,179.10/x
  3. Step 3: Cross multiply
    1,212,801.20x = 1,819,207.20 × 314,179.10
  4. Step 4: Simplify right side
    1,212,801.20x = 571,556,880,809.52
  5. Step 5: Solve for x
    x = 571,556,880,809.52/1,212,801.20
  6. Step 6: Final answer
    x = 471,270.05

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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.