Home / 1,053,900-1,580,873.76-380,036.16

Finding the Fourth Proportional to 1,053,900, 1,580,873.76 and 380,036.16

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Solution

The fourth proportional to 1,053,900, 1,580,873.76 and 380,036.16 is: 570,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,900 : 1,580,873.76 = 380,036.16 : x
  2. Step 2: Convert to fraction form
    1,053,900/1,580,873.76 = 380,036.16/x
  3. Step 3: Cross multiply
    1,053,900x = 1,580,873.76 × 380,036.16
  4. Step 4: Simplify right side
    1,053,900x = 600,789,193,195.16
  5. Step 5: Solve for x
    x = 600,789,193,195.16/1,053,900
  6. Step 6: Final answer
    x = 570,062.81

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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.