Home / 1,003,615.38-1,385,009.81-568,032.72

Finding the Fourth Proportional to 1,003,615.38, 1,385,009.81 and 568,032.72

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Solution

The fourth proportional to 1,003,615.38, 1,385,009.81 and 568,032.72 is: 783,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,615.38 : 1,385,009.81 = 568,032.72 : x
  2. Step 2: Convert to fraction form
    1,003,615.38/1,385,009.81 = 568,032.72/x
  3. Step 3: Cross multiply
    1,003,615.38x = 1,385,009.81 × 568,032.72
  4. Step 4: Simplify right side
    1,003,615.38x = 786,730,886,760.82
  5. Step 5: Solve for x
    x = 786,730,886,760.82/1,003,615.38
  6. Step 6: Final answer
    x = 783,896.80

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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.