Home / 1,005,364.60-1,509,121.26-406,717.09

Finding the Fourth Proportional to 1,005,364.60, 1,509,121.26 and 406,717.09

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Solution

The fourth proportional to 1,005,364.60, 1,509,121.26 and 406,717.09 is: 610,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,364.60 : 1,509,121.26 = 406,717.09 : x
  2. Step 2: Convert to fraction form
    1,005,364.60/1,509,121.26 = 406,717.09/x
  3. Step 3: Cross multiply
    1,005,364.60x = 1,509,121.26 × 406,717.09
  4. Step 4: Simplify right side
    1,005,364.60x = 613,785,407,324.33
  5. Step 5: Solve for x
    x = 613,785,407,324.33/1,005,364.60
  6. Step 6: Final answer
    x = 610,510.26

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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.