Home / 1,003,896.08-1,385,393.25-545,010.74

Finding the Fourth Proportional to 1,003,896.08, 1,385,393.25 and 545,010.74

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Solution

The fourth proportional to 1,003,896.08, 1,385,393.25 and 545,010.74 is: 752,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,896.08 : 1,385,393.25 = 545,010.74 : x
  2. Step 2: Convert to fraction form
    1,003,896.08/1,385,393.25 = 545,010.74/x
  3. Step 3: Cross multiply
    1,003,896.08x = 1,385,393.25 × 545,010.74
  4. Step 4: Simplify right side
    1,003,896.08x = 755,054,200,373.51
  5. Step 5: Solve for x
    x = 755,054,200,373.51/1,003,896.08
  6. Step 6: Final answer
    x = 752,123.87

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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.