Home / 1,054,400.38-1,581,273.30-380,393.86

Finding the Fourth Proportional to 1,054,400.38, 1,581,273.30 and 380,393.86

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Solution

The fourth proportional to 1,054,400.38, 1,581,273.30 and 380,393.86 is: 570,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,400.38 : 1,581,273.30 = 380,393.86 : x
  2. Step 2: Convert to fraction form
    1,054,400.38/1,581,273.30 = 380,393.86/x
  3. Step 3: Cross multiply
    1,054,400.38x = 1,581,273.30 × 380,393.86
  4. Step 4: Simplify right side
    1,054,400.38x = 601,506,654,301.94
  5. Step 5: Solve for x
    x = 601,506,654,301.94/1,054,400.38
  6. Step 6: Final answer
    x = 570,472.72

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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.