Home / 1,418,313.60-2,127,009.60-471,523.20

Finding the Fourth Proportional to 1,418,313.60, 2,127,009.60 and 471,523.20

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Solution

The fourth proportional to 1,418,313.60, 2,127,009.60 and 471,523.20 is: 707,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,313.60 : 2,127,009.60 = 471,523.20 : x
  2. Step 2: Convert to fraction form
    1,418,313.60/2,127,009.60 = 471,523.20/x
  3. Step 3: Cross multiply
    1,418,313.60x = 2,127,009.60 × 471,523.20
  4. Step 4: Simplify right side
    1,418,313.60x = 1,002,934,373,022.72
  5. Step 5: Solve for x
    x = 1,002,934,373,022.72/1,418,313.60
  6. Step 6: Final answer
    x = 707,131.61

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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.