Home / 1,116,640.20-1,674,960.30-943,429.80

Finding the Fourth Proportional to 1,116,640.20, 1,674,960.30 and 943,429.80

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Solution

The fourth proportional to 1,116,640.20, 1,674,960.30 and 943,429.80 is: 1,415,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,640.20 : 1,674,960.30 = 943,429.80 : x
  2. Step 2: Convert to fraction form
    1,116,640.20/1,674,960.30 = 943,429.80/x
  3. Step 3: Cross multiply
    1,116,640.20x = 1,674,960.30 × 943,429.80
  4. Step 4: Simplify right side
    1,116,640.20x = 1,580,207,460,836.94
  5. Step 5: Solve for x
    x = 1,580,207,460,836.94/1,116,640.20
  6. Step 6: Final answer
    x = 1,415,144.70

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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.