Home / 1,613,553.89-2,420,332.43-415,478.84

Finding the Fourth Proportional to 1,613,553.89, 2,420,332.43 and 415,478.84

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Solution

The fourth proportional to 1,613,553.89, 2,420,332.43 and 415,478.84 is: 623,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,553.89 : 2,420,332.43 = 415,478.84 : x
  2. Step 2: Convert to fraction form
    1,613,553.89/2,420,332.43 = 415,478.84/x
  3. Step 3: Cross multiply
    1,613,553.89x = 2,420,332.43 × 415,478.84
  4. Step 4: Simplify right side
    1,613,553.89x = 1,005,596,896,251.72
  5. Step 5: Solve for x
    x = 1,005,596,896,251.72/1,613,553.89
  6. Step 6: Final answer
    x = 623,218.66

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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.