Home / 1,330,335.09-1,835,279.15-814,113.81

Finding the Fourth Proportional to 1,330,335.09, 1,835,279.15 and 814,113.81

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Solution

The fourth proportional to 1,330,335.09, 1,835,279.15 and 814,113.81 is: 1,123,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,335.09 : 1,835,279.15 = 814,113.81 : x
  2. Step 2: Convert to fraction form
    1,330,335.09/1,835,279.15 = 814,113.81/x
  3. Step 3: Cross multiply
    1,330,335.09x = 1,835,279.15 × 814,113.81
  4. Step 4: Simplify right side
    1,330,335.09x = 1,494,126,097,149.49
  5. Step 5: Solve for x
    x = 1,494,126,097,149.49/1,330,335.09
  6. Step 6: Final answer
    x = 1,123,120.11

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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.