Home / 840,207.13-1,260,311.44-360,123.38

Finding the Fourth Proportional to 840,207.13, 1,260,311.44 and 360,123.38

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Solution

The fourth proportional to 840,207.13, 1,260,311.44 and 360,123.38 is: 540,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,207.13 : 1,260,311.44 = 360,123.38 : x
  2. Step 2: Convert to fraction form
    840,207.13/1,260,311.44 = 360,123.38/x
  3. Step 3: Cross multiply
    840,207.13x = 1,260,311.44 × 360,123.38
  4. Step 4: Simplify right side
    840,207.13x = 453,867,609,323.91
  5. Step 5: Solve for x
    x = 453,867,609,323.91/840,207.13
  6. Step 6: Final answer
    x = 540,185.39

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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.