Home / 1,415,393.86-2,123,090.79-350,435.93

Finding the Fourth Proportional to 1,415,393.86, 2,123,090.79 and 350,435.93

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Solution

The fourth proportional to 1,415,393.86, 2,123,090.79 and 350,435.93 is: 525,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,393.86 : 2,123,090.79 = 350,435.93 : x
  2. Step 2: Convert to fraction form
    1,415,393.86/2,123,090.79 = 350,435.93/x
  3. Step 3: Cross multiply
    1,415,393.86x = 2,123,090.79 × 350,435.93
  4. Step 4: Simplify right side
    1,415,393.86x = 744,007,295,468.09
  5. Step 5: Solve for x
    x = 744,007,295,468.09/1,415,393.86
  6. Step 6: Final answer
    x = 525,653.90

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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.