Home / 1,243,475.58-1,865,213.19-344,917.35

Finding the Fourth Proportional to 1,243,475.58, 1,865,213.19 and 344,917.35

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Solution

The fourth proportional to 1,243,475.58, 1,865,213.19 and 344,917.35 is: 517,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,475.58 : 1,865,213.19 = 344,917.35 : x
  2. Step 2: Convert to fraction form
    1,243,475.58/1,865,213.19 = 344,917.35/x
  3. Step 3: Cross multiply
    1,243,475.58x = 1,865,213.19 × 344,917.35
  4. Step 4: Simplify right side
    1,243,475.58x = 643,344,390,679.85
  5. Step 5: Solve for x
    x = 643,344,390,679.85/1,243,475.58
  6. Step 6: Final answer
    x = 517,375.98

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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.