Home / 1,116,615.70-1,674,923.55-943,405.30

Finding the Fourth Proportional to 1,116,615.70, 1,674,923.55 and 943,405.30

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Solution

The fourth proportional to 1,116,615.70, 1,674,923.55 and 943,405.30 is: 1,415,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,615.70 : 1,674,923.55 = 943,405.30 : x
  2. Step 2: Convert to fraction form
    1,116,615.70/1,674,923.55 = 943,405.30/x
  3. Step 3: Cross multiply
    1,116,615.70x = 1,674,923.55 × 943,405.30
  4. Step 4: Simplify right side
    1,116,615.70x = 1,580,131,754,164.82
  5. Step 5: Solve for x
    x = 1,580,131,754,164.82/1,116,615.70
  6. Step 6: Final answer
    x = 1,415,107.95

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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.