Home / 1,165,814.72-1,748,765.24-407,507.84

Finding the Fourth Proportional to 1,165,814.72, 1,748,765.24 and 407,507.84

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Solution

The fourth proportional to 1,165,814.72, 1,748,765.24 and 407,507.84 is: 611,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,814.72 : 1,748,765.24 = 407,507.84 : x
  2. Step 2: Convert to fraction form
    1,165,814.72/1,748,765.24 = 407,507.84/x
  3. Step 3: Cross multiply
    1,165,814.72x = 1,748,765.24 × 407,507.84
  4. Step 4: Simplify right side
    1,165,814.72x = 712,635,545,619.48
  5. Step 5: Solve for x
    x = 712,635,545,619.48/1,165,814.72
  6. Step 6: Final answer
    x = 611,276.85

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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.