Home / 1,007,161.38-1,510,189.86-399,333.96

Finding the Fourth Proportional to 1,007,161.38, 1,510,189.86 and 399,333.96

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Solution

The fourth proportional to 1,007,161.38, 1,510,189.86 and 399,333.96 is: 598,781.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,161.38 : 1,510,189.86 = 399,333.96 : x
  2. Step 2: Convert to fraction form
    1,007,161.38/1,510,189.86 = 399,333.96/x
  3. Step 3: Cross multiply
    1,007,161.38x = 1,510,189.86 × 399,333.96
  4. Step 4: Simplify right side
    1,007,161.38x = 603,070,097,145.65
  5. Step 5: Solve for x
    x = 603,070,097,145.65/1,007,161.38
  6. Step 6: Final answer
    x = 598,781.99

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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.