Home / 1,128,880.80-1,693,321.20-530,255.16

Finding the Fourth Proportional to 1,128,880.80, 1,693,321.20 and 530,255.16

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Solution

The fourth proportional to 1,128,880.80, 1,693,321.20 and 530,255.16 is: 795,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,880.80 : 1,693,321.20 = 530,255.16 : x
  2. Step 2: Convert to fraction form
    1,128,880.80/1,693,321.20 = 530,255.16/x
  3. Step 3: Cross multiply
    1,128,880.80x = 1,693,321.20 × 530,255.16
  4. Step 4: Simplify right side
    1,128,880.80x = 897,892,303,837.39
  5. Step 5: Solve for x
    x = 897,892,303,837.39/1,128,880.80
  6. Step 6: Final answer
    x = 795,382.74

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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.