Home / 1,054,565.52-1,581,351.12-380,558.76

Finding the Fourth Proportional to 1,054,565.52, 1,581,351.12 and 380,558.76

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Solution

The fourth proportional to 1,054,565.52, 1,581,351.12 and 380,558.76 is: 570,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,565.52 : 1,581,351.12 = 380,558.76 : x
  2. Step 2: Convert to fraction form
    1,054,565.52/1,581,351.12 = 380,558.76/x
  3. Step 3: Cross multiply
    1,054,565.52x = 1,581,351.12 × 380,558.76
  4. Step 4: Simplify right side
    1,054,565.52x = 601,797,021,351.81
  5. Step 5: Solve for x
    x = 601,797,021,351.81/1,054,565.52
  6. Step 6: Final answer
    x = 570,658.73

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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.