Home / 1,083,450.12-1,495,410-720,889.26

Finding the Fourth Proportional to 1,083,450.12, 1,495,410 and 720,889.26

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Solution

The fourth proportional to 1,083,450.12, 1,495,410 and 720,889.26 is: 994,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,450.12 : 1,495,410 = 720,889.26 : x
  2. Step 2: Convert to fraction form
    1,083,450.12/1,495,410 = 720,889.26/x
  3. Step 3: Cross multiply
    1,083,450.12x = 1,495,410 × 720,889.26
  4. Step 4: Simplify right side
    1,083,450.12x = 1,078,025,008,296.60
  5. Step 5: Solve for x
    x = 1,078,025,008,296.60/1,083,450.12
  6. Step 6: Final answer
    x = 994,992.74

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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.