Home / 1,152,425.45-1,728,624.27-299,421.61

Finding the Fourth Proportional to 1,152,425.45, 1,728,624.27 and 299,421.61

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Solution

The fourth proportional to 1,152,425.45, 1,728,624.27 and 299,421.61 is: 449,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,425.45 : 1,728,624.27 = 299,421.61 : x
  2. Step 2: Convert to fraction form
    1,152,425.45/1,728,624.27 = 299,421.61/x
  3. Step 3: Cross multiply
    1,152,425.45x = 1,728,624.27 × 299,421.61
  4. Step 4: Simplify right side
    1,152,425.45x = 517,587,462,008.48
  5. Step 5: Solve for x
    x = 517,587,462,008.48/1,152,425.45
  6. Step 6: Final answer
    x = 449,128.80

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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.