Home / 1,731,221.06-2,389,208.72-956,835.20

Finding the Fourth Proportional to 1,731,221.06, 2,389,208.72 and 956,835.20

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Solution

The fourth proportional to 1,731,221.06, 2,389,208.72 and 956,835.20 is: 1,320,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,221.06 : 2,389,208.72 = 956,835.20 : x
  2. Step 2: Convert to fraction form
    1,731,221.06/2,389,208.72 = 956,835.20/x
  3. Step 3: Cross multiply
    1,731,221.06x = 2,389,208.72 × 956,835.20
  4. Step 4: Simplify right side
    1,731,221.06x = 2,286,078,986,712.72
  5. Step 5: Solve for x
    x = 2,286,078,986,712.72/1,731,221.06
  6. Step 6: Final answer
    x = 1,320,500.91

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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.