Home / 1,148,490.36-1,722,604.32-307,107.72

Finding the Fourth Proportional to 1,148,490.36, 1,722,604.32 and 307,107.72

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Solution

The fourth proportional to 1,148,490.36, 1,722,604.32 and 307,107.72 is: 460,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,490.36 : 1,722,604.32 = 307,107.72 : x
  2. Step 2: Convert to fraction form
    1,148,490.36/1,722,604.32 = 307,107.72/x
  3. Step 3: Cross multiply
    1,148,490.36x = 1,722,604.32 × 307,107.72
  4. Step 4: Simplify right side
    1,148,490.36x = 529,025,085,177.35
  5. Step 5: Solve for x
    x = 529,025,085,177.35/1,148,490.36
  6. Step 6: Final answer
    x = 460,626.49

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Double scale
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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.