Home / 1,781,161.03-2,665,434.75-1,107,559.54

Finding the Fourth Proportional to 1,781,161.03, 2,665,434.75 and 1,107,559.54

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Solution

The fourth proportional to 1,781,161.03, 2,665,434.75 and 1,107,559.54 is: 1,657,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,161.03 : 2,665,434.75 = 1,107,559.54 : x
  2. Step 2: Convert to fraction form
    1,781,161.03/2,665,434.75 = 1,107,559.54/x
  3. Step 3: Cross multiply
    1,781,161.03x = 2,665,434.75 × 1,107,559.54
  4. Step 4: Simplify right side
    1,781,161.03x = 2,952,127,685,610.02
  5. Step 5: Solve for x
    x = 2,952,127,685,610.02/1,781,161.03
  6. Step 6: Final answer
    x = 1,657,417.63

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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.