Home / 1,225,469.23-1,838,217.20-372,679.56

Finding the Fourth Proportional to 1,225,469.23, 1,838,217.20 and 372,679.56

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Solution

The fourth proportional to 1,225,469.23, 1,838,217.20 and 372,679.56 is: 559,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,469.23 : 1,838,217.20 = 372,679.56 : x
  2. Step 2: Convert to fraction form
    1,225,469.23/1,838,217.20 = 372,679.56/x
  3. Step 3: Cross multiply
    1,225,469.23x = 1,838,217.20 × 372,679.56
  4. Step 4: Simplify right side
    1,225,469.23x = 685,065,977,280.43
  5. Step 5: Solve for x
    x = 685,065,977,280.43/1,225,469.23
  6. Step 6: Final answer
    x = 559,023.40

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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.