Home / 1,152,113.20-1,728,169.80-731,863.60

Finding the Fourth Proportional to 1,152,113.20, 1,728,169.80 and 731,863.60

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Solution

The fourth proportional to 1,152,113.20, 1,728,169.80 and 731,863.60 is: 1,097,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,113.20 : 1,728,169.80 = 731,863.60 : x
  2. Step 2: Convert to fraction form
    1,152,113.20/1,728,169.80 = 731,863.60/x
  3. Step 3: Cross multiply
    1,152,113.20x = 1,728,169.80 × 731,863.60
  4. Step 4: Simplify right side
    1,152,113.20x = 1,264,784,571,239.28
  5. Step 5: Solve for x
    x = 1,264,784,571,239.28/1,152,113.20
  6. Step 6: Final answer
    x = 1,097,795.40

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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.