Home / 1,331,513.22-1,997,284.42-384,892.14

Finding the Fourth Proportional to 1,331,513.22, 1,997,284.42 and 384,892.14

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Solution

The fourth proportional to 1,331,513.22, 1,997,284.42 and 384,892.14 is: 577,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,513.22 : 1,997,284.42 = 384,892.14 : x
  2. Step 2: Convert to fraction form
    1,331,513.22/1,997,284.42 = 384,892.14/x
  3. Step 3: Cross multiply
    1,331,513.22x = 1,997,284.42 × 384,892.14
  4. Step 4: Simplify right side
    1,331,513.22x = 768,739,074,602.46
  5. Step 5: Solve for x
    x = 768,739,074,602.46/1,331,513.22
  6. Step 6: Final answer
    x = 577,342.43

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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.