Home / 1,358,144.15-1,874,129.22-785,221.25

Finding the Fourth Proportional to 1,358,144.15, 1,874,129.22 and 785,221.25

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Solution

The fourth proportional to 1,358,144.15, 1,874,129.22 and 785,221.25 is: 1,083,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,144.15 : 1,874,129.22 = 785,221.25 : x
  2. Step 2: Convert to fraction form
    1,358,144.15/1,874,129.22 = 785,221.25/x
  3. Step 3: Cross multiply
    1,358,144.15x = 1,874,129.22 × 785,221.25
  4. Step 4: Simplify right side
    1,358,144.15x = 1,471,606,088,789.93
  5. Step 5: Solve for x
    x = 1,471,606,088,789.93/1,358,144.15
  6. Step 6: Final answer
    x = 1,083,541.90

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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.