Home / 1,213,516.50-1,820,268.27-314,957.58

Finding the Fourth Proportional to 1,213,516.50, 1,820,268.27 and 314,957.58

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Solution

The fourth proportional to 1,213,516.50, 1,820,268.27 and 314,957.58 is: 472,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,516.50 : 1,820,268.27 = 314,957.58 : x
  2. Step 2: Convert to fraction form
    1,213,516.50/1,820,268.27 = 314,957.58/x
  3. Step 3: Cross multiply
    1,213,516.50x = 1,820,268.27 × 314,957.58
  4. Step 4: Simplify right side
    1,213,516.50x = 573,307,289,269.99
  5. Step 5: Solve for x
    x = 573,307,289,269.99/1,213,516.50
  6. Step 6: Final answer
    x = 472,434.69

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Double scale
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Similar ratio
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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.