Home / 1,774,512.70-2,661,769.05-1,207,642.30

Finding the Fourth Proportional to 1,774,512.70, 2,661,769.05 and 1,207,642.30

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Solution

The fourth proportional to 1,774,512.70, 2,661,769.05 and 1,207,642.30 is: 1,811,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,512.70 : 2,661,769.05 = 1,207,642.30 : x
  2. Step 2: Convert to fraction form
    1,774,512.70/2,661,769.05 = 1,207,642.30/x
  3. Step 3: Cross multiply
    1,774,512.70x = 2,661,769.05 × 1,207,642.30
  4. Step 4: Simplify right side
    1,774,512.70x = 3,214,464,897,610.82
  5. Step 5: Solve for x
    x = 3,214,464,897,610.82/1,774,512.70
  6. Step 6: Final answer
    x = 1,811,463.45

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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.