Home / 1,003,978.40-1,385,482.51-545,083.97

Finding the Fourth Proportional to 1,003,978.40, 1,385,482.51 and 545,083.97

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Solution

The fourth proportional to 1,003,978.40, 1,385,482.51 and 545,083.97 is: 752,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,978.40 : 1,385,482.51 = 545,083.97 : x
  2. Step 2: Convert to fraction form
    1,003,978.40/1,385,482.51 = 545,083.97/x
  3. Step 3: Cross multiply
    1,003,978.40x = 1,385,482.51 × 545,083.97
  4. Step 4: Simplify right side
    1,003,978.40x = 755,204,309,017.36
  5. Step 5: Solve for x
    x = 755,204,309,017.36/1,003,978.40
  6. Step 6: Final answer
    x = 752,211.71

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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.