Home / 1,331,513.72-1,997,285.16-384,892.64

Finding the Fourth Proportional to 1,331,513.72, 1,997,285.16 and 384,892.64

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Solution

The fourth proportional to 1,331,513.72, 1,997,285.16 and 384,892.64 is: 577,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,513.72 : 1,997,285.16 = 384,892.64 : x
  2. Step 2: Convert to fraction form
    1,331,513.72/1,997,285.16 = 384,892.64/x
  3. Step 3: Cross multiply
    1,331,513.72x = 1,997,285.16 × 384,892.64
  4. Step 4: Simplify right side
    1,331,513.72x = 768,740,358,065.22
  5. Step 5: Solve for x
    x = 768,740,358,065.22/1,331,513.72
  6. Step 6: Final answer
    x = 577,343.17

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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.