Home / 1,323,880-1,826,954.40-720,272.32

Finding the Fourth Proportional to 1,323,880, 1,826,954.40 and 720,272.32

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Solution

The fourth proportional to 1,323,880, 1,826,954.40 and 720,272.32 is: 993,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,880 : 1,826,954.40 = 720,272.32 : x
  2. Step 2: Convert to fraction form
    1,323,880/1,826,954.40 = 720,272.32/x
  3. Step 3: Cross multiply
    1,323,880x = 1,826,954.40 × 720,272.32
  4. Step 4: Simplify right side
    1,323,880x = 1,315,904,684,222.21
  5. Step 5: Solve for x
    x = 1,315,904,684,222.21/1,323,880
  6. Step 6: Final answer
    x = 993,975.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.