Home / 1,260,431.46-1,890,076.68-361,666.80

Finding the Fourth Proportional to 1,260,431.46, 1,890,076.68 and 361,666.80

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Solution

The fourth proportional to 1,260,431.46, 1,890,076.68 and 361,666.80 is: 542,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,431.46 : 1,890,076.68 = 361,666.80 : x
  2. Step 2: Convert to fraction form
    1,260,431.46/1,890,076.68 = 361,666.80/x
  3. Step 3: Cross multiply
    1,260,431.46x = 1,890,076.68 × 361,666.80
  4. Step 4: Simplify right side
    1,260,431.46x = 683,577,984,610.22
  5. Step 5: Solve for x
    x = 683,577,984,610.22/1,260,431.46
  6. Step 6: Final answer
    x = 542,336.50

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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.