Home / 1,331,503.21-1,997,269.39-384,882.13

Finding the Fourth Proportional to 1,331,503.21, 1,997,269.39 and 384,882.13

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Solution

The fourth proportional to 1,331,503.21, 1,997,269.39 and 384,882.13 is: 577,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,503.21 : 1,997,269.39 = 384,882.13 : x
  2. Step 2: Convert to fraction form
    1,331,503.21/1,997,269.39 = 384,882.13/x
  3. Step 3: Cross multiply
    1,331,503.21x = 1,997,269.39 × 384,882.13
  4. Step 4: Simplify right side
    1,331,503.21x = 768,713,287,020.65
  5. Step 5: Solve for x
    x = 768,713,287,020.65/1,331,503.21
  6. Step 6: Final answer
    x = 577,327.40

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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.