Home / 1,107,594.64-1,661,391.88-266,146.39

Finding the Fourth Proportional to 1,107,594.64, 1,661,391.88 and 266,146.39

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Solution

The fourth proportional to 1,107,594.64, 1,661,391.88 and 266,146.39 is: 399,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,594.64 : 1,661,391.88 = 266,146.39 : x
  2. Step 2: Convert to fraction form
    1,107,594.64/1,661,391.88 = 266,146.39/x
  3. Step 3: Cross multiply
    1,107,594.64x = 1,661,391.88 × 266,146.39
  4. Step 4: Simplify right side
    1,107,594.64x = 442,173,452,648.69
  5. Step 5: Solve for x
    x = 442,173,452,648.69/1,107,594.64
  6. Step 6: Final answer
    x = 399,219.57

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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.