Home / 1,152,425.46-1,728,624.26-299,421.60

Finding the Fourth Proportional to 1,152,425.46, 1,728,624.26 and 299,421.60

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Solution

The fourth proportional to 1,152,425.46, 1,728,624.26 and 299,421.60 is: 449,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,425.46 : 1,728,624.26 = 299,421.60 : x
  2. Step 2: Convert to fraction form
    1,152,425.46/1,728,624.26 = 299,421.60/x
  3. Step 3: Cross multiply
    1,152,425.46x = 1,728,624.26 × 299,421.60
  4. Step 4: Simplify right side
    1,152,425.46x = 517,587,441,728.02
  5. Step 5: Solve for x
    x = 517,587,441,728.02/1,152,425.46
  6. Step 6: Final answer
    x = 449,128.78

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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.