Home / 1,384,464.43-1,910,549.84-803,741.45

Finding the Fourth Proportional to 1,384,464.43, 1,910,549.84 and 803,741.45

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Solution

The fourth proportional to 1,384,464.43, 1,910,549.84 and 803,741.45 is: 1,109,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,464.43 : 1,910,549.84 = 803,741.45 : x
  2. Step 2: Convert to fraction form
    1,384,464.43/1,910,549.84 = 803,741.45/x
  3. Step 3: Cross multiply
    1,384,464.43x = 1,910,549.84 × 803,741.45
  4. Step 4: Simplify right side
    1,384,464.43x = 1,535,588,099,456.54
  5. Step 5: Solve for x
    x = 1,535,588,099,456.54/1,384,464.43
  6. Step 6: Final answer
    x = 1,109,156.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.